# Chisel Plane Hewn Tool Library · https://hewn.build/tools/chisel-plane Corrected: An independent reviewer read this entry and found corrections. They have been applied to the text, and the reviewer re-checked the correction that mattered most for safety and found it done; the others have not been re-checked yet. The list at the end is the record of what changed. Cite as: "Chisel Plane." Hewn Tool Library, hewn.build/tools/chisel-plane. Reviewed 2026-08-02. --- ## identity - **name:** **Chisel Plane**, also **edge plane** (Stanley's period catalog name, "Cabinet Maker's Edge Plane," No. 97) and **trimming plane** (Lee Valley's name for item 05P7401, which its page says is "commonly called a chisel plane") [R1][R2][R9]. - **A naming caution inside one maker's catalog.** Lee Valley sells two different products under close names: the **Cabinetmaker's Trimming Plane** (item 05P7401; the page and category identifier is 70929), a dedicated-iron no-toe plane, and the **Veritas Chisel Plane** (item 05P2101; page 32661), a fixture that holds a user-supplied 1-inch bevel-edge chisel at 45 degrees and clamps it with a brass screw [R9][R10]. Both are legitimate products sold under adjacent "chisel plane" or "trimming plane" language. They are different tools; buying one expecting the other's behavior is a real trap. - **family / category:** Planing tools, fine-trimming. A chisel plane presents a chisel-like cutting edge at the front of, or flush with, a reference surface. The name is used for several mechanisms (see *Three corpus subtypes* below). - **one-line:** A hand tool for the final flush or near-flush pass: it gives a chisel-like edge with no sole support ahead of it, but with a rear sole (or the blade face) as the depth reference. - **not to be confused with:** the [[Shoulder Plane]] and [[Bullnose Plane]] (these keep a toe and forward support, though some bullnose planes convert to a no-toe configuration); the Veritas chisel-holding fixture (a rabbet and shoulder-style tool with sole on both sides of the cutting position [per the reviewer]); a plain bench chisel used freehand. --- ## ✦ how NOT to use it *The danger class is not empty. It is narrow and direct: an exposed full-width cutting edge, a guiding hand that may sit very close to it, unstable work, excessive blade projection, and the stored state of the cutter. The absence of a located injury anecdote is a search result, not a risk assessment.* - **dangerous (misuse that injures the user):** - **Hands near the exposed edge.** The cutting edge is exposed across the full working width. Lie-Nielsen's page says the plane "will best be used with two hands, one pressing on the back half, and the other guiding the front," and "extra care should be taken to avoid getting your fingers near the sharp edge" [R11, read this pass]. Follow the maker's intended grip. Do not place the guiding hand or fingers ahead of the edge, and keep hands and body out of the travel and slip path [R19, CCOHS]. - **Unsecured or small work.** Secure small plugs, joints and workpieces, by mechanical workholding where possible, on a stable surface [R19]. Do not steady a small loose part with fingers in front of the plane. - **Too much blade.** Never treat 1/16 to 1/8 inch as blade-projection guidance. A large projection digs in, grabs, tears the work or brings the hands abruptly toward the edge. Start flush or minimally projected and take only a fine shaving; remove a large proud feature first with a saw or chisel. - **Dull cutter and pushing harder.** A dull blade needs more force and raises the chance of injury; CCOHS says to keep blades sharp and not use excessive pressure [R19]. If it chatters or grabs, stop and correct sharpness, projection, grain direction or workholding rather than pushing harder. - **Tipping into the cut.** Keep pressure on the rear knob or rear body so the plane stays flat to the reference surface [R11]. - **Adjusting, sharpening, carrying.** Take the cutter in and out with the edge directed away from fingers `[manual, relayed]` (the reviewer's safety note). Loosen and tighten retention hardware only per the model's instructions; on the Lie-Nielsen, snug the cap thumbscrew and **do not overtighten** [R11]. - **Storage.** On the Veritas trimming plane, "retract the blade before storing" [R9]. Otherwise retract or shield the cutter per the model instructions, and do not leave the exposed edge resting on a hard bench surface `[manual, relayed]`. Store sharp tools securely [R19]. - **Falling plane.** Do not try to catch a falling plane; move clear, then inspect the blade and body for damage `[manual, relayed]`; CCOHS gives the same advice for falling tools [R19]. - **Glue.** Dry-glue cleanup is the manufacturer-supported use; soft squeeze-out is a different job (it can contaminate the tool). - **damaging (misuse that ruins the work or the tool):** too much projection digs in or tears the work; hard end grain amplifies setup errors (see *not-for*); a dropped plane can chip the cutter or body. - **beginner-trap:** expecting it to remove material like a bench chisel, then being disappointed; buying the Veritas 05P2101 expecting the no-toe form; buying the trimming plane expecting a chisel holder. - **misuse by comparison:** the tool has no support ahead of the edge. It is less able to bridge voids or resist tipping than a shoulder or bullnose plane, and Koepke's account of wood lifting ahead of the blade on a shoulder plane set up this way is the cautionary example [R6]. A convertible bullnose in chisel-plane configuration and a dedicated No. 97-style tool may share no-forward-sole behavior, but their ergonomics, mass, adjustment and remaining sole length are not interchangeable. - **not-for (jobs it should never do):** bulk stock removal; roughing or joint cutting; standing in for a bench chisel beyond the final thin pass; standing in for a shoulder or bullnose plane on open work. --- ## correct use *Brief — the workbench holds deep operation. In one sentence: the chisel plane is the last, thinnest flush-trim pass, after a saw or chisel has done the rough work.* - **what it's good at:** dry-glue cleanup, flush trimming of plugs, dowels and inlay, proud dovetail pins or tails and through-tenon ends, small rabbet corrections, and work into a right-angle or blind corner [R9][R11][R12]. - **how to use it (brief):** secure the work; inspect and sharpen the cutter; **set the blade flush with the sole for flush trimming, or only minimally proud for a fine paring cut** [R9][R11]; remove a large proud feature first with a saw or chisel and use the chisel plane only for the final thin shaving; keep downward pressure on the rear of the body so it does not tip into the cut; follow the maker's two-handed grip (see *how NOT to use it*). If nibbling a plug with a corner of the cutter, describe the lateral bite width separately from blade projection. - Lie-Nielsen notes honing a 5 or 10 degree secondary bevel helps edge life and a quick razor edge [R11]. --- ## ✦ matching *The workbench's first read.* - **Primary operation:** final flush trimming and very fine paring where the body or blade face can reference a surrounding surface. - **does:** trims dry glue squeeze-out; trims plugs and small inlays flush [R9]; flush-trims proud pins, tails and through-tenon ends; cleans the end of a rabbet or a blind or right-angle corner after bullnose and rabbet planes have done most of the work [R11 via the original run, per dealer copy]. - **suits:** the last stage of a joint or repair, after rough shaping by a saw, chisel, or bullnose or shoulder plane; close-quarters interior work where forward registration is not available. - **kit-fit:** - **pairs with:** [[Shoulder Plane]] and [[Bullnose Plane]] as the last step after them. - **substitutes for / alternatives:** bench chisel, crank-neck chisel, flush-cut saw, smoothing or block plane, shoulder plane, bullnose plane, router plane and scraper, chosen by access, grain, reference surface and amount of material. Practitioner testimony is mixed; both sides are preserved under *human side*. - **cannot replace:** a shoulder or bullnose plane while forward registration is still available (conditional match: smoothing a rabbet or shoulder when the rear sole gives enough continuous support). - **not-for (project-keyed):** - bulk stock removal, establishing a joint from rough stock, bridging voids, or using the cutter as a pry or scraper. - hard end grain **without preparation**: hard end grain magnifies setup errors. Saw or pare large projections close first, keep the edge sharp, take the finest possible cut and test the grain response. A smoothing plane, bench chisel, flush-cut saw or scraper may be better depending on support and grain. (Schwarz's oak-plug failure is one practitioner's experience, not a rule; the entry also reports successful white oak and maple nibbling and teak plug trimming.) - buying the Veritas 05P2101 expecting a no-toe flush-trim tool. - **access:** the main barrier is knowing what the tool is for. Starting prices run from about US$72 (the Veritas chisel-holding fixture) to US$175 (Lie-Nielsen, currently unavailable), dated above. Handling the exposed edge safely is a real skill requirement (see below). - **revival:** Bilderback's reputation as a finish carpenter, via Schwarz, is a "why pick this up" story, set against the skeptics' view that the tool earns its place through a narrow technique. Subtype fields for matching: `dedicated_cutter`, `accepts_bench_chisel`, `blade_face_is_sole`, `sole_ahead_of_edge`, `sole_behind_edge`, `bed_angle`, `bevel_orientation`, `depth_adjustment`, `retention`, `flush_storage_state`. --- ## anatomy *Three useful corpus subtypes. This is Hewn's functional classification of products sold or documented under overlapping names. It is not an externally recognized taxonomy and not a historical family tree. Each subtype is described by the same fields: cutter source, bed or support, retention, adjustment, sole ahead of and behind the edge.* - **Subtype A, dedicated adjustable plane iron in a no-toe body** (Stanley No. 97 pattern; Lie-Nielsen No. 97½; Veritas Cabinetmaker's Trimming Plane; WoodRiver). - *Common feature:* no sole support ahead of the cutting edge; the rear sole is the depth reference. Lie-Nielsen: "has no support ahead of the blade, making it function more like a paring chisel with precise depth control" [R11, per original run; the page read this pass supports the two-hand and exposed-edge wording]. - *Lie-Nielsen No. 97½:* bevel-up, 12 degree bed plus the supplied 25 degree bevel gives a 37 degree effective cutting angle; set by loosening the cap thumbscrew fully, then tightening until slight resistance; depth by the stainless steel nut [R11]. These are that model's figures, not a family norm. - *Stanley No. 97:* production iron bed 17 degrees [R17]. - *Veritas Cabinetmaker's Trimming Plane (05P7401):* blade spans the full body width; 15 degree bed with a 20 degree bevel gives a 35 degree effective angle; the blade can be set level with the sole to trim plugs or inlays flush [R9]. - *Retention:* these planes bed **and** clamp the iron under a cap or lever cap. "Bedded versus clamped" is not what distinguishes them from the other subtypes. - **Subtype B, fixture accepting a separate bench chisel** (Veritas Chisel Plane 05P2101). Ductile cast-iron body holds an ordinary 1-inch bevel-edge chisel at 45 degrees, clamped by a solid brass screw [R10]. Adjustment is by tapping the chisel's butt or the body `[manual, relayed]`. Per the reviewer it has a sole on both sides of the cutting position, so it is a small rabbet, shoulder and hinge-gain tool and not a no-toe clone. - **Subtype C, blade-face-as-sole** (Blue Spruce). The iron's flat face acts as the sole, so there is no separate angled bed and no depth adjuster; a single index pin and one screw hold the blade; aluminum body; A2 steel; straight or spearpoint blades [R12]. Its "mechanical advantage" wording is manufacturer positioning, not a measured result. - **Wooden-bodied versions** use higher bed angles than the metal 12 degrees because the narrow wedge bed would break otherwise (retailer report, MEDIUM) [R3]. - **Name origin:** one retail review says the open front "in effect makes this plane like a large chisel" [R9 original-run note, MEDIUM]. --- ## variations (living) *Prices and availability are dated. First observation: The review, 2026-08-02. Second: this pass, 2026-10-16.* - **Lie-Nielsen No. 97½ Small Chisel Plane:** US$175.00, shown as unavailable with a "Notify Me" option (2026-08-02 and 2026-10-16) [R11]. The original run's $189 dealer figure is superseded. - **Veritas Cabinetmaker's Trimming Plane, item 05P7401 (page 70929):** US$165.00 (2026-08-02 per the reviewer; 2026-10-16 matched) [R9]. - **Veritas Chisel Plane, item 05P2101 (page 32661):** US$71.50 on the US page 2026-10-16 [R10]. (The original run's UK/other regional prices are not repeated.) - **Blue Spruce Chisel Plane:** US$89.99; the page shows "Sold out" and also "Ships in 7-10 Business Days." Availability is ambiguous and is recorded as ambiguous (2026-10-16; same finding per the reviewer 2026-08-02) [R12]. - **WoodRiver Small Chisel Plane (Woodcraft):** US$99.99 in the original run (2026-07-26); not re-checked [R14]. - **Stanley No. 97:** vintage only. Collector pricing was not captured. - **Convertible bodies:** Clifton No. 3110 is a convertible whose rear section is described by a retailer as usable as a chisel plane (£290.40 original run; not re-checked) [R15]; Rockler/Bench Dog 3-in-1 is described in the [[Bullnose Plane]] entry. - No claim is made about which maker sells a "premium" chisel plane; the original run's exclusivity claim is deleted because "premium" was undefined. --- ## trades (where it appears, with trade-specific notes) - **woodworking and cabinetmaking:** flush trimming of plugs, dowels, dutchmen, glue and joint ends [R1][R6][R9][R11]. - **finish carpentry and repair:** Bilderback's account via Schwarz [R1]. - **piano making:** catalog marketing to piano makers is documented (1905 name); actual trade use is unproven [R17][R5]. --- ## lineage *Three different relationships are kept apart here: historical descent, product conversion, and functional comparison.* - **Dedicated chisel-plane forms existed by about 1869-1870.** EAIA documents a Leonard Bailey chisel-plane prototype from late 1869 or early 1870, shortly after Bailey joined Stanley Rule & Level; the production Stanley No. 97 first appeared in the 1905 Stanley Pocket Catalog and No. 34 Full Line Catalog at $2.00 [R17, read this pass]. The chisel plane is therefore **not** presented as the terminal historical descendant of the shoulder or bullnose family. - **Product conversion (a separate fact).** Some later bullnose shoulder planes can be converted to a chisel-plane configuration by removing the toe. US7117602 / US20050060897 claims this in claim 6 (a bullnose shoulder plane convertible to a chisel plane by removing the toe while retaining the lever cap) `[manual, relayed]` (patent text not re-read this pass; wording from the review). This establishes one convertible product configuration, not ancestry of the whole tool family. - **Functional continuum (for one convertible design only).** Within a single convertible design, removing material from the front runs from shoulder plane (full toe, most forward support) through bullnose (short nose) to chisel-plane configuration (no forward sole). This is a reach and support continuum for that design. It is not a genealogy. - **US645,220, resolved.** US645,220, *Bench-Plane* (Justus A. Traut, New Britain, Connecticut; application filed December 10, 1897; granted March 13, 1900), patents a plane-iron adjustment mechanism: coarse positioning by dropping one of a series of transverse grooves on the underside of the knife over a rib on the slide, then fine movement by a feed-screw with two threads of different pitch, one engaging a fixed threaded opening in the guide's rear wall and the other a threaded lug on the slide. It is not a patent for the chisel-plane form. EAIA states the No. 97's adjuster is based on this patent (No. 645,220, March 13, 1900) [R18 Google Patents, read this pass; R17]. The original entry's stamp reading "PAT.3 13 00" on surviving No. 97s is consistent with that date [R2][R9]. - A reissue marking "REIS'D OCT.23.83" / "PAT'D JAN.30.82" is reported on early No. 97 castings; this is a collector-site report and is not explained here [R2, MEDIUM]. - The shoemaker's edge-plane patent (US 44,093, 1864) is unrelated naming context and is omitted. --- ## history - **Stanley No. 97.** Stanley cataloged the No. 97 in 1905 as a **Piano Maker's Edge Plane**, renamed it **Cabinet Maker's Edge Plane** by 1907, and kept it in production through 1943 [R17]. Production body: 9 13/16 inches long, 2¼ inches wide, bed angle 17 degrees with the iron's bevel facing up [R17]. "About 10 inches" is a rounded figure only. (Retail sources give 1906-1944 and 10 inches; the specialist article's catalog evidence is preferred for production history.) - **Piano makers.** Catalog marketing to piano makers is documented by the 1905 name. Widespread use in piano shops is **unproven**; a specialist piano-tool source describes a separate infill-plane tradition and mentions the No. 97 only in passing [R5]. - **Wooden-bodied chisel planes** are described as rare by Christopher Schwarz, citing Whelan [R1] (attributed, not independently checked). - **Modern makers.** Lie-Nielsen describes its No. 97½ as a half-sized version of the Stanley No. 97 [R11]. Lee Valley sells the 05P7401 trimming plane and the 05P2101 chisel-holding fixture. Woodcraft sold a WoodRiver small chisel plane [R14]. Blue Spruce Toolworks sells a blade-face-as-sole design [R12]. --- ## ✦ human side *Practitioner accounts are experience evidence (MEDIUM for technique and preference, forums LOW-to-MEDIUM), carried from the original run and not re-read in this pass.* - **Christopher Schwarz**, "Chisel Planes: The Bacon Saver?" (2009) [R1]: skeptical at the start, then valued it for fairing a sawn surface into an existing feature, fairing rabbet corners after chopping, and removing glue globs across the grain. One practitioner's failed attempt: he could not get a clean result on oak plugs with a chisel plane after sawing them close and used a plain smoothing plane instead. His conclusion: not essential, but handy. - **Carl Bilderback's plug technique, via Schwarz** [R1]: a working finish carpenter nibbled a plug corner with the cutter's corner in small lateral bites, tested on white oak and maple. **The bite width here is lateral (how much of the plug is taken across), not blade projection.** Do not read it as a depth-of-cut figure. - **Sawmill Creek threads** [R6]: many named posters prefer a bench chisel or crank-neck chisel and sold the plane; Julie Moriarty uses hers on almost every project, including dried glue; Dave Zellers reports good corners with a bullnose set to chisel-plane configuration. Jim Koepke reports wood lifting ahead of the blade when he set a shoulder plane up chisel-plane style. - **FineWoodworking forum thread** on the Lie-Nielsen No. 97½ [R16]: one poster called it "a solution looking for a problem"; JeffHeath advised "the slightest depth" and keeping bench chisels for squaring corners; Glaucon reports success on proud pins and tails, glue squeeze-out cleaned about 1-2 hours after unclamping at a skew, and plugs on teak. (One thread, read once; the original run's 2005 versus 2008 date question is left open.) - **Why reach for it over a plain chisel**, as its defenders put it: a physical depth reference that freehand chisel work lacks, no mouth to squish soft glue, and the ability to work flush to the end of a stopped feature. Skeptics answer that for real stock removal a sharp bench or crank-neck chisel wins on control and simplicity. Both positions are kept. --- ## ✦ proof of existence - **Dated catalog and object evidence.** Bailey prototype c.1869-1870; Stanley No. 97 in the 1905 catalog at $2.00; renamed Cabinet Maker's Edge Plane by 1907; produced through 1943 [R17]. - **Patent record.** US645,220, *Bench-Plane* (Traut, 1900), is the plane-iron adjuster later used on the No. 97 and several other Stanley planes; it does not claim the chisel-plane form [R18][R17]. US7117602 claim 6 covers a convertible bullnose-to-chisel-plane configuration (a later Lee Valley patent) `[manual, relayed]`. - **Not located:** a patent for a dedicated chisel-plane form, and a museum accession record. These searches were limited in scope and are not strong evidence of absence. --- ## references *kind: manufacturer | specialist historical research | patent | practitioner blog | forum | retailer or collector | sibling corpus entry (navigation only)* - **[R1]** Christopher Schwarz, "Chisel Planes: The Bacon Saver?" popularwoodworking.com (2009). Practitioner account, carried from the original run. *(named author, MEDIUM for experience)* - **[R2]** oldhandtools.co.uk, Stanley No. 97 listing. Collector site, carried. *(MEDIUM)* - **[R3]** wonkeedonkeetools.co.uk, chisel-plane entry. *(retailer, MEDIUM)* - **[R5]** mshepherdpiano.com, Martin Shepherd, piano-tool specialist. Carried; does not corroborate the piano-maker nickname. *(HIGH for its own subject)* - **[R6]** Sawmill Creek Woodworking Community, "Thoughts on Chisel Planes" (2018) and "Small Chisel Plane from LV" (2009). Named posters. *(forum, LOW-to-MEDIUM)* - **[R7][R8]** Corpus entries [[Shoulder Plane]] and [[Bullnose Plane]]. *(sibling entries: navigation or hypothesis only, not external proof)* - **[R9]** Lee Valley, Veritas Cabinetmaker's Trimming Plane, item 05P7401 (page 70929), read 2026-10-16. Identifier, price, "commonly called a chisel plane," full-width blade, 15 + 20 degree geometry, retract blade before storing. *(manufacturer, HIGH within scope)* The original run's findmytool.co.uk review is carried as a retailer review (MEDIUM). - **[R10]** Lee Valley, Veritas Chisel Plane, item 05P2101 (page 32661), read 2026-10-16. 1-inch bevel-edge chisel at 45 degrees, brass clamping screw, price. The linked care PDF was not read. *(manufacturer, HIGH within scope)* - **[R11]** Lie-Nielsen, No. 97½ Small Chisel Plane, read 2026-10-16. Price and availability, two-hand use, fingers warning, thumbscrew setting and "do not overtighten," secondary bevel. Geometry figures (12 + 25 = 37 degrees) from the original run and the reviewer. *(manufacturer, HIGH within scope)* - **[R12]** Blue Spruce Toolworks, Chisel Plane, read 2026-10-16. Mechanism, uses, price, mixed availability signals; no safety text on the page. *(manufacturer, HIGH within scope; performance wording is marketing)* - **[R14]** Woodcraft, WoodRiver Small Chisel Plane, carried from the original run. *(retailer)* - **[R15]** Workshop Heaven, Clifton No. 3110, carried. *(retailer)* - **[R16]** FineWoodworking forum thread on the Lie-Nielsen No. 97½, carried, one thread. *(forum, LOW-to-MEDIUM)* - **[R17]** Eastern Early American Industries Association, "Who Gets The Credit?" https://www.eaia.us/post/who-gets-the-credit, read 2026-10-16. Bailey prototype, 1905 catalog, 1907 rename, dimensions, 17 degree bed, production through 1943, Traut adjuster. *(specialist historical research, HIGH-to-MEDIUM)* - **[R18]** US645,220, *Bench-Plane*, Justus A. Traut. Google Patents, https://patents.google.com/patent/US645220A/en, read 2026-10-16. *(patent, HIGH within scope)* the reviewer also cites the Handplane Patents page; its excerpt lacked the header when fetched here. - **[R19]** Canadian Centre for Occupational Health and Safety, "Working Safely with Sharp Blades or Edges," https://www.ccohs.ca/oshanswers/safety_haz/sharp_blades.html, read 2026-10-16. Inspection, sharp blade, stable surface, mechanical workholding, slip path, no excessive pressure, secure storage, falling tools. General sharp-edge guidance, not specific to this tool. *(safety authority, HIGH within scope)* --- ## images this entry needs (pointer) Image briefs for Forge (a subtype comparison diagram; a rear-sole-versus-forward-support panel; a plug-nibbling lateral-bite illustration) are tracked in the processing record, not here. --- ## The reviewer's corrections (13) - `BLOCKER` — 1. Remove the false shoulder → bullnose → chisel-plane historical lineage — Exact claim: “the joinery-cutting branch's terminal, no-toe configuration of the Shoulder Plane / Bullnose Plane family” and “the last, most-reduced member of the shoulder → bullnose → chisel-plane reach/registration tradeoff.” - `BLOCKER` — 2. Resolve US645,220 from the accessible primary text — Exact claim: “US Patent 645,220's own claim text remains unread” and “This run did not succeed in loading 645,220's primary text either.” - `BLOCKER` — 3. Correct the unsafe 1/16–1/8-inch “single pass” rule — Exact claim: “don't reach for it to remove more than roughly 1/16”–1/8” of material in a single pass — named forum accounts converge on this as a hard practical ceiling.” - `BLOCKER` — 4. Rebuild the safety section around actual hazards and controls — Exact claim: “dangerous … honestly near-empty” and “the access barrier here is conceptual … not a physical-danger barrier.” - `SHOULD-FIX` — 5. Replace “zero registration” with the correct support geometry — Exact claim: “maximum reach, zero registration” and “removes the toe entirely, trading the last remaining registration.” - `SHOULD-FIX` — 6. Use accurate mechanical terms for cutter retention — Exact claim: “Family 1 … bedded, not clamped” versus “Family 2 … clamped, not bedded.” - `SHOULD-FIX` — 7. Stop treating the three forms as a proven taxonomic family — Exact claim: “a genuine, newly-sourced three-family split” and “the term covers at least two, arguably three, non-interchangeable product families.” - `SHOULD-FIX` — 8. Correct Stanley No. 97 history and the piano-maker claim — Exact claim: The No. 97 has an unresolved 1905–1943 versus 1906–1944 production range, a 9½-inch versus 10-inch size conflict, and the “piano makers' plane” name is merely repeated retail copy without primary corroboration. - `SHOULD-FIX` — 9. Remove the invented No. 97½ numbering explanation — Exact claim: Lie-Nielsen's No. 97½ is “following Stanley's own numbering convention for smaller size variants (e.g., the No. 9 vs. No. 9½ block plane).” - `SHOULD-FIX` — 10. Remove the hard-species prohibition — Exact claim: “don't attempt hard-species plug trimming expecting a clean cut.” - `SHOULD-FIX` — 11. Correct current products, prices, and the “premium” market claim — Exact claim: The current list gives Lie-Nielsen at $189 through a dealer, Lee Valley item 70929 as the product number, Blue Spruce pricing as uncaptured, and concludes that no maker sells a standalone premium chisel plane except Lie-Nielsen. - `SHOULD-FIX` — 12. Regrade evidence and remove circular confidence — Exact claim: Sibling corpus entries and fully read forum threads are graded HIGH; two research legs reading the same thread are treated as independent corroboration. - `MINOR` — 13. Remove process residue and negative-search padding — Exact claim: The entry includes “two research legs,” filesystem checks, model provenance, image briefs, repeated patent-fetch failures, lack of archaeological evidence, and absence of a Kunz model.