FW541

Curved Nymph - Barbless

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Ahrex Manufacturer

6-16 Sizes

Nymph Application

Mfr. data Source

Catalog attributes

Eye

Eye TypeTapered

Eye OrientationTurned Down

Wire & Shank

Wire GaugeStandard

Shank LengthUnknown

Bend & Gap

Bend FamilyRound (Kendal)

GapStandard

Point & Finish

Point StyleStandard Spear

FinishBlack nickel

WireSingle

BarbBarbless

Size & scale lab

Physical specimen Catalog record

Selected size6

Catalog record

Overall Length: 21.4 mm
Gap Width: 9.2 mm
Wire Diameter: 0.9 mm

Published Spec

U.S. customary (inches) with metric equivalent. Published Spec = sourced from manufacturer published data.

Computed automatically from catalog data and updated as new hooks are added.

Hook model	Match	Analysis	Compare
Nyack TDE — Nyack TDE (Down Tapered Eye)	76%	Matches: Bend, Wire, Gap, Eye, Eye Orient. +2 more Differs: Finish: black_nickel vs Bronzed; Application: Nymph vs Dry Fly, Wet Fly, Nymph; Barb: Barbless vs Barbed	Compare
Short Shank TDE No. 10 — Red Label Short Shank	76%	Matches: Bend, Wire, Gap, Eye, Eye Orient. +1 more Differs: Finish: black_nickel vs Bronzed; Forging: Round vs Forged; Application: Nymph vs Wet Fly, Nymph +1 more	Compare
Medium Long No. 4 — Nyack Brand Medium Long Sproat	75%	Matches: Bend, Wire, Eye, Eye Orient., Point +1 more Differs: Gap: Standard vs Wide; Finish: black_nickel vs Bronzed; Application: Nymph vs Nymph, Streamer +1 more	Compare
H3ST No. 6 — Draper Hooks	74%	Matches: Wire, Gap, Point, Forging, Application Differs: Eye: Tapered Eye vs Looped Eye; Eye Orient.: Turned Down vs Straight / Inline; Finish: black_nickel vs Bronzed +1 more	Compare
1752.B No. 12 — Sealey 1752.B	73%	Matches: Bend, Gap, Eye, Eye Orient., Point +1 more Differs: Wire: Standard vs Fine (1X Fine); Finish: black_nickel vs Bronzed; Application: Nymph vs Dry Fly, Nymph +1 more	Compare

Notes

Imported from the published Ahrex spec sheet for FW540 plus the Ahrex product page. Measured values (hook length, gap, wire diameter) are manufacturer-published and carried on the size rows as published_spec. Inferred, not published: bend_family round_kendal, eye_type and eye_orientation read from the sheet illustration. shank_length_category is set only where the model name states it, otherwise unknown - Ahrex does not publish an X-rating. Verify before relying on the inferred fields.

Industry cross-reference

Curved scud / caddis nymph hook

Curved shank wide gape

Ahrex	FW540Spec record
Core	C1120Chart only C1130Chart only
Daiichi	1120Spec record 1130Spec record 1920*Spec record
Firehole	317Chart only
Fulling Mill	FM5065Chart only FM5115Chart only
gamakatsu	C12Chart only
Hanák	H333BLChart only
Mustad	C49SChart only
Partridge	K12STFull record
Tiemco	2457Chart only

* Barbless variant. Green entries are full catalog records; amber entries are spec records. Gray entries are chart-only and not physically verified.

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Sources & Documentation

Sources: this specimen and its packaging.

Confidence notation key

P	Photographically verified — Directly observable in the photograph(s) on this page.
V	Verified by documentation — Confirmed by manufacturer catalog, spec sheet, or published reference.
I	Inferred — A logical deduction from observable or documented evidence, not directly stated.
E	Estimated — An approximation based on visual comparison, proportional analysis, or limited data.
S	Speculative — A reasoned hypothesis that cannot be confirmed from available evidence.

Unnotated claims are the compiler’s synthesis; see Sources. All photographs on garrenwood.com are taken on a measurement grid where each square equals 1/10 inch (0.1″ / 2.54 mm).