Saw Set

identity

Name: the saw set — a hand tool used to bend each tooth of a saw blade alternately left and right of the blade's centerline, creating "set": the small amount of lateral kerf clearance beyond the blade's own thickness that keeps the plate from binding or burning in a cut [SS1][SS4]. Also called a saw wrest (the older plate-and-notch lever type specifically) [SS2] and, in at least one catalogued museum record, a saw-set wrench [SS9].
Regional / alternate names: saw wrest (older/simpler lever type); saw-set wrench (Smithsonian's own cataloguing term) [SS9]. Not to be confused with a "saw swage," a related but distinct tool/technique for spreading (rather than bending) the tip of a tooth to widen its kerf-cutting face, primarily used on large circular and band saws — several period patents in this same family are titled "saw-swaging device" rather than "saw-set" [SS-patents].
Family / category: saw maintenance / sharpening tools — the companion tool to the file in the two-part skill of keeping a hand saw cutting cleanly: jointing and filing shape and sharpen the teeth; the saw set bends them to width. Cited by name across this corpus's Saw Family (Hand Saw, Panel Saw, Rip Saw) as the tool that performs the "set" operation those entries describe but never build out.
One line: the tool that turns a flat, straight-ground row of saw teeth into a blade that can actually clear its own kerf without binding — the difference between a saw that cuts and a saw that jams.

✦ how NOT to use it

not-for: general metalworking hacksaw/bandsaw blade maintenance in most modern contexts (see matching, above — reasoned from mechanism, not directly sourced to a named warning); using it as a substitute for filing/sharpening, which it cannot do.

dangerous: Genuinely thin, after real, repeated searching — reported plainly rather than padded. No directly-sourced injury account specific to the saw-set tool itself (a pinched hand, a slipped tool, a snapped-off flying tooth) was located this run. General hand-tool and forge-tool injury material exists but was not found sourced to this specific tool, and is not carried into this entry as though it were.

damaging: The clearest, most concrete finding this run. Rob Paul (Sawmill Creek, named, directly quoted): "Some old sawmakers recommended using hammer setting. E.g. the T F Shurly saws made with 'Vanadium Steel,' have this instruction etched on the blade 'set with hammer only.' I believe that teeth on some of the harder and more brittle steels are less likely to break when using the hammer impact to set the teeth, and more prone to breakage when using the slow bend of a pliers type saw set." This is a real, named, manufacturer-corroborated (the etched instruction itself) account of tooth breakage risk from choosing the wrong category of set tool — pliers/lever versus hammer — for a given steel's hardness, not folk wisdom [SS-human]. A related, less firmly sourced point from the same thread: hammer-setting bends a tooth quickly and sharply, which some posters describe as making it easier to snap off if a later re-set tries to bend it back the opposite way without a full re-jointing pass first — reported here as thread content, not independently verified beyond the visible discussion.

beginner-trap: Over-torquing a tooth trying to achieve "more set," bending it further than the roughly one-third-of-height, one-third-to-half-of-plate-thickness range that general saw-maintenance sourcing describes — flagged here as search-synthesized guidance, not independently confirmed by direct fetch this run, and should be weighted accordingly. Inconsistent set across a blade — from an anvil that is too soft and wears unevenly, or from operator inconsistency on a freehand wrest — produces a saw that tracks unpredictably even though every individual tooth looks fine; the Sawmill Creek thread notes in passing that some budget ("Somax") sets have anvils too soft for repeated hard use, implying they degrade and produce inconsistent bends over time rather than failing obviously [SS-human]. Treating "set" and "sharpen" as one operation rather than two sequential, distinct skills is implicit throughout every source consulted this run — every account treats jointing, setting, and filing as three separate steps, never one.

lineage-misuse: Using a standard alternating-set pistol-grip tool on a saw type meant to be set only on one side — Wikipedia (directly fetched, general orientation source, not treated as a primary citation for specific facts) confirms veneer saws and flush-cut saws are examples of saws set only to one side, where a standard alternating tool would set the wrong teeth or the wrong pattern entirely. Japanese pull-saws are a genuinely nuanced case: they ARE set, contrary to a common assumption that they aren't, but far more lightly than Western push-stroke saws, because their thin, tension-loaded blade needs much less kerf clearance — this specific claim rests on search-synthesis (thisoldhouse.com, thewoodworks.com.au) rather than a directly-fetched primary source, and is flagged as medium-confidence rather than verified. Using a Western hammer-and-anvil or coarse-pitch pistol-grip set (built and calibrated for a thick Western saw plate) on a thin Japanese blade risks over-setting or kinking it — a reasoned extension of the confirmed lighter-set fact, not independently sourced to a specific practitioner account this run.

correct use

What it's genuinely good at. Bending each tooth of a saw blade a small, controlled, consistent amount to alternating sides, so the kerf the blade cuts is wider than the plate itself — clearing the plate from binding, overheating, or burning in the cut, especially in green or resinous wood [SS-human].

How to use it well (short version — the workbench holds the deep operation). Set is applied after jointing (bringing all tooth tips level) so that the set operation doesn't need to correct for already-uneven tooth heights — described in this run's research as one accepted sequence, though a genuine practitioner disagreement exists over whether setting before or after final filing is better, not resolved here. The amount of set is small: Holbrook's sourced figure of roughly .003" per side is a useful benchmark, adjusted for how aggressively the saw was filed and, per general saw-maintenance guidance, for the density and moisture of the wood being cut — more set for wetter, resinous, or fibrous wood; less for dry, dense hardwood, where excess set costs cutting efficiency and finish quality. David Weaver's own practical recommendation — that most users will do at least as well with a standard pistol-grip tool like a Stanley 42x as with hand-hammering — is a reasonable default for anyone without George Wilson's remembered "3 per second, no gauges" level of freehand skill [SS-human].

✦ matching — the workbench's first read

Does: bends each tooth of a hand saw's blade a small, controlled amount alternately left and right of center, creating kerf clearance beyond the plate's own thickness.

Suits: any hand-saw maintenance project — resharpening a dull rip, crosscut, panel, dovetail, or specialty saw as part of the jointing → setting → filing sequence; specifically needed whenever a saw is binding, burning, or wandering in the cut despite a sharp edge, which usually points to insufficient set rather than a dull tooth.

Kit-fit:

• Pairs with: a saw file (sharpens the edge the set has bent into position); a saw jointer or jointing file (levels tooth tips before setting); a saw vise (holds the blade steady during both filing and setting) — the three tools this corpus's Panel Saw entry itself names together as the complete hand-saw maintenance skill set.
• Substitutes for: nothing in the woodworking maintenance sequence — no other tool performs the set operation; a saw with insufficient set cannot be "fixed" by sharpening alone.
• Cannot replace: the file (sharpening) or the jointer (leveling tooth heights) — the saw set only bends teeth for width; it does nothing to the edge's sharpness or the tooth line's straightness.

Not-for (project-keyed): general metalworking cutoff/hacksaw blade maintenance in most modern contexts — hacksaw and most machine bandsaw blades are typically factory-set and not user-serviced with this tool the way a hand saw is; using a coarse hand-saw-pitch anvil setting on a fine-pitch specialty blade is a pitch mismatch, not a correct application. Reasoned from the tool's own graduated-anvil design (built explicitly to match anvil setting to teeth-per-inch, per Morrill's own patent) rather than from a single named practitioner's warning against the specific misuse — an honest inference, not dressed up as directly sourced.

Access: moderate. The pistol-grip graduated type (Stanley 42-series and equivalents) is genuinely approachable for a beginner following a stated TPI setting, per David Weaver's own endorsement of it over freehand hammer-setting [SS-human]. The freehand hammer-and-anvil skill George Wilson describes is a different, much higher-skill-ceiling proposition — "years of doing nothing else" — not a beginner starting point [SS-human].

Revival: worth a maker picking up the moment they own any hand saw that no longer tracks straight or binds in the cut despite a recent sharpening — the single most common reason a "dull" hand saw is actually a saw that has lost its set, not its edge, and a $20–40 pistol-grip tool restores it rather than requiring a replacement blade.

anatomy

The anvil — the fixed or adjustable face the tooth is bent against; in fixed-pitch older designs a single notch or edge, in Morrill's graduated design a rotary disc with numbered TPI positions locked by a spring-loaded pin [SS1]. The plunger — the moving element that presses the tooth against the anvil's inclined face, hand-actuated by a lever or, in the Stanley 42X, spring-preloaded against the plate before the strike for a more consistent bend [SS1][SS3]. The guide/gage screw — adjusts how far the tooth is presented to the anvil, controlling how much bend (how much set) is applied; Morrill's own patent describes reversing this screw's adjustment to remove excess set from an over-set tooth, using the same tool in the opposite sense [SS1]. The handle(s) — a single pistol grip with a squeeze lever (pistol-grip type) or two opposing handles (compound-lever/plier type) supplying the mechanical force.

variations (living)

• Wrest/spring-plate type — a notched plate levered by hand against one tooth at a time; the oldest and, per Friberg, least mechanically consistent form still in use [SS2].
• Hammer/bench-mounted punch-and-die type — stationary or bench-clamped, struck with a hammer; formalizes freehand hammer-setting [SS2].
• Setting blocks — a bare beveled anvil struck freehand, the standard field tool for large crosscut saws per Friberg [SS2].
• Two-handled compound-lever / plier type — the common hand-portable form; Nash's 1863/1867 and Leach & Elder's 1869 patents are named period examples, still described as common and inexpensive today [SS2].
• Pistol-grip graduated-anvil type — the modern dominant retail form, descending from Morrill's patent line to the Stanley No. 42 series (42, 42X, 42W, 42SS) and the UK's Eclipse 77, which shares the 42X's spring-loaded plunger mechanism per a directly-fetched comparison [SS3].
• Wheel/roller type — the saw fed between two rotating serrated wheels, a rarer branch cited to an 1852 Bradway & Valentine patent [SS2].
• Automatic band-saw setting machines — Disston's Bugbee-patent machines (1873/1877), the industrial-scale form [SS2].
• Setting stakes — arbor-and-bevel-block tools sized for circular saws [SS2].

trades

Woodworking — the primary and best-documented trade, spanning hand-tool furniture making, timber framing (large crosscut and rip saws), and cabinetmaking. Sawmilling / logging — the setting-block and setting-stake variants, and large circular/band saw machine sets, are documented as the field and mill-scale forms of the same operation [SS2]. Metalworking (bounded crossover) — a Smithsonian object catalogued as "Saw-Set Wrench" is classified alongside other wrenches under a general "Metalworking / Striking & Prizing Tools" heading, suggesting cross-trade use or at least cross-trade cataloguing, though the object record supplies no maker or date to confirm the specific trade context [SS9].

lineage

Ancestors.

• Freehand hand-setting — bending each tooth with a hammer and punch against a bare anvil edge, done by saw makers before any dedicated setting tool existed. Described directly by a named forum contributor (George Wilson, Sawmill Creek) recalling a 1950s English saw-repair shop worker who hand-set teeth "3 per second, no gauges... all you need is years of doing nothing else" — real evidence that freehand hammer-setting persisted as a working trade skill well into the 20th century alongside dedicated tools, not merely as a pre-tool relic [SS-human].
• The wrest/spring-plate type — a notched steel plate levered by hand against a single tooth at a time. Described directly by tool historian Alvin Friberg (CRAFTS of New Jersey, 1995, read in full) as "a very old type which has remained virtually unchanged in the many centuries that it has existed" [SS2]. No specific origin date is given for the wrest even by this source — an honest gap, not an assumed one.

Descendants / close mechanical relatives (by mechanism).

• The hammer/bench-mounted punch-and-die set — a stationary or bench-clamped tool struck with a hammer, mechanically formalizing freehand hand-setting rather than replacing it outright [SS2].
• The plier/two-handled compound-lever set — the common hand-portable form, split by Friberg into compound-lever and punch-and-anvil subtypes; William Nash's 1863/1867 patents and the Leach & Elder 1869 patent are named period examples still described as common and cheap today [SS2].
• The pistol-grip, graduated-anvil set — the modern dominant form, descending through Charles Morrill's patent line (see history, below) to the Stanley No. 42 family. Read directly this run: US Patent 532,175A, "Saw-Set," Charles Morrill, of New York, NY, filed April 19, 1894, granted January 8, 1895 — confirmed independently by Hewn itself via direct fetch of the full patent text and drawings, not merely relayed from a research passes [SS1]. The patent's own words describe "a rotary anvil combined with other devices, whereby the said anvil may be adjusted on a circular alignment and locked in position," with the anvil's face graduated and numbered to correspond to teeth-per-inch — the patent's own drawings show settings illustrated for 4, 9, and 17 TPI [SS1]. This is a later Morrill patent refining an earlier, unlocated 1880 patent that secondary sourcing (Bench & Chisel) describes as "the parent design for nearly every pistol-grip set that followed" — that earlier patent was searched for but not located or read this run, an honest gap rather than an assumed confirmation [SS3].
• Automatic band-saw setting machines — Henry Disston & Sons' Bugbee patents of 1873 and 1877 mechanized the operation entirely, advancing a band-saw blade automatically while setting alternate teeth from both sides — the industrial-scale endpoint of the same lineage [SS2].
• The wheel/roller set — feeding the saw between two rotating serrated wheels that alternately set teeth in a continuous pass, first cited to an 1852 Bradway & Valentine patent [SS2] — a rarer mechanical branch, per Friberg's own typology.
• Setting blocks — a bare, beveled anvil struck freehand with a hammer, described by Friberg as the standard field/logging-crew tool for large crosscut saws, distinct from the shop-bench wrest and pistol-grip forms [SS2].
• Setting stakes — circular-saw-specific arbor-and-bevel-block tools, the large-format industrial cousin of the hand tool [SS2].

Contemporaries. The file — the paired tool in the same maintenance operation, sharpening the tooth's cutting edge where the saw set only bends it for width; already a corpus entry, and cited alongside the saw set and saw vise in Panel Saw's own sharpening-skill passage as the three tools of the complete hand-saw maintenance kit.

history

Key evolutions (each addressing a named limitation — Petroski lens, held honest where evidence is thin).

• Freehand hammer-and-anvil setting → the dedicated wrest/plate tool (undated). Freehand setting demands the years of practiced judgment George Wilson's account describes; the wrest formalizes the same bend against a fixed, repeatable notch, trading some of that skill requirement for consistency — though Friberg's own account frames the wrest as itself an old, largely unchanged design rather than a clean technological leap [SS2][SS-human].
• Individual hand tools → dedicated patented mechanisms (1830 onward, search-corroborated but not directly confirmed). Herrick Aiken of Franklin, NH, is credited in secondary sourcing (Bench & Chisel, corroborated by the CRAFTS of NJ article naming Aiken as originator of the hammer-set family) with a vise-held, hammer-actuated saw-tooth-setting device patented May 24, 1830 — this specific patent was not directly located or read this run, and the claim rests on search-snippet corroboration across two sources rather than a primary read [SS3]. Between 1810 and 1925, roughly 900 saw-set designs were patented in the US and Britain, per Bench & Chisel (directly fetched) — the best single figure found this run for the scale of the 19th-century patent boom around this tool [SS3].
• Fixed-pitch anvils → a single graduated, rotary anvil serving multiple tooth pitches (Morrill, 1894/1895, directly confirmed). Morrill's own patent text states the problem it solves plainly: earlier anvils forced a saw sharpener to own or carry a different tool (or anvil face) for every tooth pitch. His rotary anvil, locked at graduated positions numbered by TPI, lets one anvil serve saws from roughly 4 to 17+ teeth per inch by rotation alone — read directly in the patent's own mode-of-operation section [SS1].
• Manual pistol-grip sets → automatic band-saw machines (Disston/Bugbee, 1873/1877). The same core problem — consistent, repeatable set across every tooth of a blade — scales industrially: Disston's machines advance the blade and set alternate teeth from both sides automatically, removing operator variability entirely rather than merely aiding it [SS2].
• Plain plunger contact → spring-loaded pre-load plunger (Stanley 42X, 1935–1948). Per Bench & Chisel (directly fetched), the Stanley 42X's key innovation over earlier pistol-grip designs is a spring-loaded plunger that pre-loads the saw plate against the anvil before the hammer/lever strike, producing a more consistent bend than a plunger that only contacts the tooth at the moment of the strike [SS3].

✦ human side

The people this tool belongs to. Saw sharpeners — both the historical trade specialist (the "saw doctor" or "saw filer" who serviced a mill's or a neighborhood's saws) and the modern hand-tool woodworker maintaining their own kit. The tool sits at the exact point where a saw's usefulness is renewed or ruined by a human hand's judgment about "how much."

Named practitioners and their trades. On Sawmill Creek's "Hammer Setting Saw Teeth" thread (started Dec 21, 2011 by Chris Griggs, read in full), Mike Holbrook quotes Tools for Working Wood's own account of hammer-setting: "With the hammer setting, we could get a crisp bend in the teeth without distorting the saw plate above it... There is about .003" of set on a side but it varies slightly depending on how aggressive the saw was filed" — the only directly-sourced, quantified figure for how much set is typical, and a rare instance of a tool corpus entry landing an exact thousandths-of-an-inch number from a named source [SS-human]. David Weaver, also on that thread, recommends a standard pistol-grip set such as a Stanley 42x over hand-hammering for most users: "I doubt anyone is going to do anything better functionally than a 42x" — a working craftsman's own vote for the manufactured tool over the older hand skill [SS-human]. George Wilson recounts watching, in the 1950s, an English saw-repair shop worker hand-set teeth "3 per second, no gauges... all you need is years of doing nothing else" — a specific, dated, first-person memory of the freehand trade skill still functioning as a living practice within living memory [SS-human]. Jack Curtis, same thread, offers a craft-philosophy note worth carrying: "there's something in the slight variability of the results that seems to result in a superior sawing experience — kind of like using hand-stitched rasps/files," a named practitioner's argument that hand variability in this specific operation is a virtue, not merely a tolerance to be engineered away. Rob Paul, same thread, supplies the entry's most concrete damaging-class finding (see below): specific saw makers etched "set with hammer only" directly onto blades made of harder, more brittle steel, because — in his account — that steel is less likely to break under hammer-impact setting than under the slower bend of a pliers-type set [SS-human]. A named forum poster (via lowell holmes, same thread) reports that Frank Klausz recommended setting teeth two at a time using a small screwdriver twisted between them — "worked pretty good" — a genuinely improvised, low-tool-cost technique from a well-known named craftsman, though relayed secondhand rather than in Klausz's own words. Paul Sellers maintains a dedicated, still-updated page (paulsellers.com/sawsets/) recommending a specific saw set for beginners and pointing to his own instructional material on refining hammer-set results — evidence the tool remains a live, actively-taught part of hand-tool woodworking pedagogy, not a museum-only relic.

✦ proof of existence

Earliest confirmed dated example (directly read this run, independently confirmed by Hewn: US Patent 532,175A, "Saw-Set," Charles Morrill, of New York, NY — filed April 19, 1894, granted January 8, 1895. Read directly in full via Google Patents (patents.google.com/patent/US532175A/en) — the full claims, drawings, and mode-of-operation text, including the graduated rotary-anvil settings shown for 4, 9, and 17 teeth-per-inch [SS1]. This is confirmed as a refinement patent, not the tool's true origin — Morrill's own earlier 1880 patent (credited in secondary sourcing as the true "parent design" for the pistol-grip family) was searched for but not located or read this run [SS3].

Earlier, search-corroborated but not directly confirmed origin: Herrick Aiken's May 24, 1830 patent for a vise-held, hammer-actuated saw-tooth-setting device — cited by two independent secondary sources (Bench & Chisel; the CRAFTS of New Jersey article by Friberg) but the patent text itself was not located or read this run — an honest gap, not a confirmed proof [SS3].

A rich, directly-fetched patent trail spanning 1852–1916, none read in full beyond Morrill's own: Bradway & Valentine (Aug. 31, 1852, wheel/roller type); Seymour Smith (1859, simple-lever with depth adjustment); William Nash (1863, 1867, compound-lever two-handled type); Leach & Elder (1869, compound-lever type); Henry Disston & Sons' Bugbee patents (1873, 1877, automatic band-saw setting machines); John Borthwick (June 23, 1885, circular-cam type); H.B. Foley (Oct. 13, 1916, wheel type) — all cited via Friberg's directly-fetched CRAFTS of NJ article, dates and inventors as given there, patent numbers not independently verified this run for any of these seven [SS2].

Museum/collection records — one confirmed, one checked and negative. Smithsonian NMAH, object 1977.1101.0248, "Saw-Set Wrench" — confirmed via the research research passes's direct fetch: iron and wood, 11¾ inches, classified under "Saw-Set; Wrench; Metalworking; Striking & Prizing Tools; Hand Tools." No maker or date is given in the online record — a genuine, honest residual, not a full proof-of-existence close [SS9]. Science Museum Group (UK) — searched directly; no woodworking hand-saw-set object surfaced, only surgical/amputation saws matched the search terms used. Reported as a real gap for this run's search terms, not a confirmed absence across the whole collection.

Manufacturing/commercial record: Stanley No. 42 series (42, 42X, 42W, 42SS) — the dominant 20th-century pistol-grip family, per Bench & Chisel (directly fetched): the 42X ran 1935–1948 before being replaced by the 42W, its key innovation a spring-loaded pre-load plunger [SS3]. Eclipse (UK) — plier-type, still in production; the Eclipse 77 shares the 42X's plunger mechanism, per a comparison cited in a Woodwork Forums thread (search-snippet only, not independently fetched) [SS3]. Charles Morrill Inc. — New York manufacturer whose catalog history is archived at Internet Archive, linked but not fetched this run.

references

• [SS1] US Patent 532,175A, "Saw-Set," Charles Morrill, of New York, NY, filed April 19, 1894, granted January 8, 1895 — fetched and read directly in full by Hewn this run (patents.google.com/patent/US532175A/en), independently confirming a research passes's earlier direct fetch of the same document.
• [SS2] Alvin Friberg, "Collecting Saw Sets," CRAFTS of New Jersey newsletter, 1995 — fetched directly and read in full; source of the eight-subtype mechanical typology and the majority of the cited 19th-century patent dates/inventors.
• [SS3] Bench & Chisel, saw-set history/buying-guide page — fetched directly; source of the Aiken-1830 attribution, the "~900 patents 1810–1925" figure, the Morrill-1880-to-Stanley-42X descent claim, and the Stanley 42X/Eclipse 77 comparison (the last drawn from a Woodwork Forums thread cited within this source, not independently fetched).
• [SS9] Smithsonian NMAH, object 1977.1101.0248, "Saw-Set Wrench" — confirmed via direct fetch by the research research passes; not independently re-fetched by Haft this run (attempted, blocked by tool provenance restrictions).
• [SS-human] Sawmill Creek forum, "Hammer Setting Saw Teeth" thread, started Dec. 21, 2011 by Chris Griggs — fetched and read in full; named contributors quoted: Mike Holbrook, David Weaver, George Wilson, Jack Curtis, Rob Paul, plus a secondhand-relayed Frank Klausz technique via poster lowell holmes.
• Paul Sellers, paulsellers.com/sawsets/ — fetched (page existence and content confirmed; specific technique claims from his linked video/post treated as search-synthesis, not independently verified).
• Wikipedia, "Saw set" — fetched directly; used for general orientation and the one-side-set veneer/flush-cut-saw fact, not treated as a primary source for contested claims.
• [SS-patents] Google Patents search results (titles/classifications only, not individually fetched): US817514 (Poindexter, 1906), US1771395, US1055712, US445504 ("saw-swage"), US595662, US683938, US2626531 — listed for completeness, not used as claim sources this run.
• Search-synthesis only, flagged individually in-text and not independently verified this run: the Japanese pull-saw lighter-set claim (thisoldhouse.com, thewoodworks.com.au); the "one-third of tooth height" over-torque guidance; the ratchet-vs-screw actuation timing question (left as an open gap, not sourced at all).

The reviewer's corrections (14)

• BLOCKER — Exact claim: “Suits: any hand-saw maintenance project”; “worth a maker picking up the moment they own any hand saw”; and “Japanese pull-saws …
• BLOCKER — Exact claim: “specifically needed whenever a saw is binding, burning, or wandering in the cut despite a sharp edge, which usually points to ins
• SHOULD-FIX — Exact claim: “a founding patent (US532175A, Charles Morrill, 1895)” and “Earliest confirmed dated example … US Patent 532,175A.”
• SHOULD-FIX — Exact claim: “Alvin Friberg, ‘Collecting Saw Sets,’ CRAFTS of New Jersey newsletter, 1995.”
• SHOULD-FIX — Exact claim: “The Stanley 42X's key innovation … is a spring-loaded plunger that pre-loads the saw plate against the anvil before the hammer/le
• SHOULD-FIX — Exact claim: “The guide/gage screw … adjusts how far the tooth is presented to the anvil, controlling how much bend,” presented as general anat
• SHOULD-FIX — Exact claim: “The amount of set is small: Holbrook's sourced figure of roughly .003\" per side is a useful benchmark.”
• SHOULD-FIX — Exact claim: “Set is applied after jointing” and the repeated “jointing → setting → filing sequence.”
• SHOULD-FIX — Exact claim: The dangerous section says there is no specific injury account and stops there; hammer/bench sets and setting blocks remain living
• SHOULD-FIX — Exact claim: “Substitutes for: nothing … no other tool performs the set operation.”
• SHOULD-FIX — Exact claim: “Metalworking (bounded crossover) … [the Smithsonian classification] suggest[s] cross-trade use.”
• SHOULD-FIX — Exact claim: “Between 1810 and 1925, roughly 900 saw-set designs were patented in the US and Britain,” plus the Disston/Bugbee, Stanley 42X pro
• MINOR — Exact claim: “$20-40 pistol-grip tool,” “modern dominant retail form,” and “Eclipse … still in production.”
• MINOR — Exact claim: The provenance repeatedly names “research passes,” “Hewn,” and tool-fetch limitations.