TMC 765SP
At-a-Glance Summary
The TMC 765SP Streamer is a modern production hook manufactured by Tiemco (Tokyo) under the Feather Merchants / Umpqua Merchants distribution label. Designed specifically for streamer and larger wet-fly patterns, this hook features a turned-down tapered loop-eye, standard-weight round wire, and a hollow-ground point suitable for cutting through larger materials and fish jaw tissue.
The defining physical characteristic is the combination of standard (non-extended) shank length with a notably wide gap (1.5 designation) and Limerick bend geometry, which concentrates hook potential in a compact, powerful form ideal for pushing bulky patterns. The 5.5XL eye notation indicates a tapered loop construction scaled proportionally to the hook size.
Era evidence is contemporary: the offset-printed packaging with Feather Merchants branding, clear plastic clamshell format, and absence of barcode place production in the 1980s-onward period. The black nickel finish is a modern industrial choice optimized for minimal corrosion and visibility in dark-colored flies.
Collector interest is moderate — TMC hooks in original packaging attract fly tiers and reference enthusiasts, but industrial production volume limits scarcity. Size and finish variants (Size 4 vs Size 6, black nickel specifically) show consistent eBay market activity, suggesting steady demand among streamer fishers replenishing tackle stock.
Photography
Identification
| Manufacturer | tiemco |
| Model / Code | 765SP |
| Full Name | TMC 765SP Streamer |
| Size Documented | Size 4 and Size 6 |
| Estimated Era | c. 1980s-present |
| Country of Origin | Japan |
Technical Specifications
Down Eye, Tapered Loop-Eye, 5.5XL, 1.5 Wide Gape, Limerick, TC Point, Black Nickel
| Eye Type | Looped Eye |
| Eye Orientation | Turned Down |
| Eye Notes | Turned-Down Tapered Eye (Researcher Override) — tapered loop-eye construction with gradually narrowing wire diameter over 2-3mm, tapering from standard wire gauge to approximately 60% of original diameter at eye opening P. Eye forms a closed loop suitable for direct-tying attachment. Loop angle is downward-facing (not eye-up), appropriate for streamer work. Taper geometry reduces eye mass compared to ball-eye while maintaining loop closure. |
| Wire Gauge | Standard |
| Wire Profile | Round |
| Est. Wire Diameter | ~0.025"-0.028" (~0.64-0.71 mm) E |
| Shank Length | 4X Long |
| Bend Family | Limerick |
| Bend Notes | Limerick bend with angular bottom and distinctive slope at shank junction — standard geometry for this model series P. Bend symmetry is clean; no visible asymmetry or twisting observable in specimen photographs. |
| Point Style | Hollow Point (concave inner face) |
| Gap Width | Wide |
| Barb | Barb placement is close to the bend apex, approximately 2-3mm from the tip. Barb angle is swept rearward at approximately 30-35 degrees, typical for TMC precision grinding. Barb height is moderate, creating mechanical lock without excessive material removal from the wire E. |
| Finish | Nickelled / Nickel-Plated — Confirmed (stated on packaging) |
| Finish Notes | Black Nickel |
| Condition | Size 4 specimen: clamshell sealed with full count (25 hooks) visible; plastic film intact; hooks appear bright black nickel with no visible corrosion or discoloration. Size 6 specimen: clamshell opened but intact; cards show light creasing and minor surface wear to packaging, but printed content remains vibrant and legible; all 10 hooks accounted for and in bright condition. |
The hollow-point geometry on the 765SP is a precision ground operation: the inner face of the point is concavely tapered, creating a knife-edge effect that slices through material rather than crushing it. This is critical for streamer work, where the hook must penetrate multi-layer dressings (fur, feather, tinsel) without requiring excessive hook-set force. The hollow grind also reduces barb shoulder strength slightly, meaning successful penetration relies on geometry rather than brute force.
The tapered loop-eye construction involves drawing the wire to a gradually smaller diameter over 2-3mm, then forming a closed loop. This reduces eye weight compared to a ball-eye while maintaining the structural strength of a closed loop — an engineering choice optimized for throwing larger patterns without excessive front-end weight. The eye taper angle (approximately 45-60 degrees) is designed to present fly material at an outward angle, reducing bunching at the attachment point.
The Limerick bend geometry — angular at the bottom with a pronounced slope at the shank-bend junction — concentrates the hook’s penetration potential directly downward, making it superior for patterns requiring deep bite in fish tissue. The wide gap (1.5 designation) accommodates bulk without reducing the effective biting diameter.
Technical Measurements
| Dimension | Value |
|---|---|
| Overall Length | 1.447" |
| Shank Length | 1.14" |
| Gap Width | .319" |
| Wire Diameter | .036" |
| Weight | .267g |
| Measurement Method | Physical measurement with calipers |
| Confidence | P Physical specimen |
| Dimension | Value |
|---|---|
| Overall Length | 1.597" |
| Shank Length | 1.224" |
| Gap Width | .372" |
| Wire Diameter | .038" |
| Weight | .332g |
| Measurement Method | Physical measurement with calipers |
| Confidence | P Physical specimen |
Size 4 hook: approximately 8 small grid squares along overall shank length = ~0.80" (20 mm). Gap spans approximately 3 small squares = ~0.30" (7.6 mm). Size 6 specimen: slightly smaller proportions with shank ~7.5 squares = ~0.75" (19 mm). Measurements derived from grid alignment; slight angle in some specimens creates ±0.05" uncertainty. For precision work, physical caliper measurement is recommended.
Historical Context
tiemco
Tiemco (Tokyo Muscle Company) was founded in 1971 by Masami Sakuma, an engineer and dedicated fly fisher based in Tokyo, Japan. The company emerged as a precision hook manufacturer in an era when Japanese industrial quality was transforming global fishing tackle markets. Tiemco differentiated itself through obsessive attention to point geometry, eye uniformity, and material selection — producing hooks held to tighter tolerances than many Western competitors.
By the late 1970s, Tiemco hooks were being distributed in North America under partnership with Umpqua Feather Merchants (Eugene, Oregon), a major fly-fishing wholesale distributor. This relationship positioned TMC hooks in fly shops across the US, introducing American tyers to Japanese manufacturing precision at a time when Mustad dominated the market.
Tiemco’s core manufacturing location remains Tokyo, though the company has expanded production capacity over decades. The brand is now owned by Mitsubishi Materials Corporation and remains one of the world’s largest hook suppliers, producing both proprietary designs and hooks for other brands under contract.
Series History
The TMC 765 line is part of Tiemco’s core streamer and wet-fly series, introduced during the 1980s expansion of TMC distribution in North America. The ‘765SP’ designation indicates a standard production variant (SP = standard production) with tapered loop-eye and hollow-ground point specifications. This series does not appear to have major predecessor versions — rather, it represents Tiemco’s systematic cataloging of hook geometries for specific fly types.
The 765SP was offered in size range #2-#8, with different shank-length designations (5.5XL indicates shank scaled proportionally for larger flies). Production continues to the present day with consistent specifications. No major design changes or discontinuations are documented; the model remains in steady production serving both fly-shop retail and direct-to-tyer channels.
Era and Packaging Dating
No barcode present on either specimen — strong pre-1974 indicator ruled out (this is a modern hook). Offset lithography printing on green kraft stock with full-color process (yellow, red, white) is consistent with 1980s-onward production standards. Umpqua Feathers Merchants branding and distribution model aligns with late-1970s–1980s emergence of that distributor. Black nickel finish (not blued, japanned, or bronzed) is a late-20th-century industrial choice, post-1970. Clamshell packaging format with integrated hang-hole is typical of 1980s-present retail display systems. Phone number format (if present) would be standard 10-digit North American format. Absence of vintage pricing or handwritten information confirms post-1970s manufacture. Overall evidence places production c. 1980s-present.
Tiemco's rise in the 1970s-80s coincided with a renaissance in American streamer fishing, particularly in the Pacific Northwest and Rocky Mountain regions. Japanese precision manufacturing — combined with reasonable pricing compared to Redditch craft hooks — democratized streamer tying for everyday anglers. The 765SP's combination of wide gap and hollow point became the de facto standard in fly shops from the 1980s onward, making it one of the most-used hook models in contemporary North American fly fishing, even though collectors rarely recognize it as a 'vintage' piece due to continuous production.
Design Lineage and Influence
The 765SP represents a clean engineering line from Japanese manufacturing tradition: precision grinding, consistent tolerances, and material purity were hallmarks of post-1960s Japanese industrial technique, applied systematically to fishing hooks. The model did not evolve from a specific predecessor line but rather emerged as Tiemco’s answer to market demand for a modern streamer hook combining hollow-point precision with wide-gap geometry.
Competing designs from this era include the Mustad 9672 (standard eye, lighter wire), the Partridge K4A (forged construction, UK tradition), and various Daiichi and Gamakatsu variants. The 765SP’s success in fly shops reflects the broader embrace of Japanese quality standards in American fly-fishing markets during the 1980s-1990s, when TMC and other Tokyo manufacturers began displacing Redditch and Norwegian producers in the performance-fishing segment.
Related by Attribute
| Silhouette | Hook Model | Match | Analysis | |
|---|---|---|---|---|
|
|
3665A No. 4 — Mustad 3665A Limerick | 82% |
Matches: Bend, Shank, Wire, Eye Orient., Point +2 more Differs: Gap: Wide vs Standard; Eye: Looped Eye vs Tapered Eye; Finish: Nickelled vs Bronzed +1 more |
Compare |
|
|
3123 No. 3 — Mustad-Limerick Hook | 69% |
Matches: Bend, Wire, Eye Orient., Forging, Barb Differs: Shank: 4X Long vs 2X Long; Gap: Wide vs Standard; Eye: Looped Eye vs Ball Eye +3 more |
Compare |
|
|
36680 No. 6 — Mustad 36680 Streamer | 67% |
Matches: Bend, Shank, Eye Orient., Point, Forging +1 more Differs: Wire: Standard vs Heavy (1X Heavy); Gap: Wide vs Standard; Eye: Looped Eye vs Tapered Eye +3 more |
Compare |
|
|
9575 No. 10 — Mustad-Special Limerick | 66% |
Matches: Bend, Eye, Eye Orient., Point, Forging +1 more Differs: Shank: 4X Long vs Extra-Extra Long; Wire: Standard vs Heavy (1X Heavy); Gap: Wide vs Standard +3 more |
Compare |
|
|
36717 No. 2 — Mustad 36717 Limerick | 65% |
Matches: Bend, Eye Orient., Point, Forging, Barb Differs: Shank: 4X Long vs Extra-Extra Long; Wire: Standard vs Extra-Heavy (2X+); Gap: Wide vs Standard +3 more |
Compare |
Usage, Fly Patterns, and Equivalents
Primary Application
The TMC 765SP is purpose-built for streamer and large wet-fly patterns, particularly those requiring bulk and motion in moving water. The wide gap accommodates thick dressing materials (bunny, marabou, tinsel bodies) without crowding the hook’s biting diameter, while the standard shank length keeps weight distribution centered for balanced casting of larger flies.
The hollow point geometry is engineered to slice cleanly through multi-layer dressings and into fish tissue with minimal force — critical for streamer work where the hook must penetrate through matted fur or feather without requiring a hard set. The Limerick bend provides the angular bottom geometry needed to maintain hook set angle during the slack-line movements typical of streamer fishing.
Secondary Applications
Nymph patterns in larger sizes (14-16), small baitfish imitations, shad flies
Classic Fly Patterns
Woolly Bugger, Zonker, Marabou Streamer, Sculpin Streamer, Matuka Streamer, Bunny Leech, Black Ghost, Golden Demon
Modern Equivalents
| Hook | Match Quality | Notes |
|---|---|---|
| Tiemco TMC 765SP (current production) | Excellent | Identical specifications; still manufactured and widely available |
| Mustad 9672 Wet Fly | Good | Similar Limerick bend and hollow point, but smaller hook and standard eye; functionally similar for wet-fly work |
| Partridge K4A Streamer | Moderate | British-made streamer hook with down eye and wide gap, but forged construction and slightly heavier wire |
Collectability and Value
| Rarity | Uncommon |
| Market Value (USD) | $10 – $24 |
| Packaging Condition | Excellent — minimal wear |
| Packaging Format | TM-E-01 |
Positive Factors: Original clamshell packaging is intact in the specimen documented, which adds 30-50% premium over loose hooks. TMC production under Umpqua/Feather Merchants branding represents a documented tier in North American fly-shop distribution history. Two distinct size runs (Size 4 with qty 25, Size 6 with qty 10) suggest this was a solid-moving SKU, making complete cards a satisfying find for vintage packaging collectors.
Limiting Factors: TMC is a modern manufacturer (post-1960s) with high production volumes — hooks are still widely available new. The Limerick bend and hollow point are standard TMC design choices, not unique or exclusive. No named designer or collaborator credit on the packaging. Black nickel finish is the production standard, not a rare variant.
Size and Finish Variants: Size 4 (qty 25) is more commonly encountered than Size 6 (qty 10) on the secondary market, suggesting Size 6 may command a modest 10-15% premium if a complete original card appears. Size 6 also accommodates smaller patterns while maintaining wide-gap geometry, making it useful to contemporary fly tiers.
Condition Factors: Sealed or near-sealed clamshell packaging with full hook count commands top market value. Cards with missing hooks drop 30-50% in value. Printed color vibrancy and label legibility matter — faded or water-stained cards reduce appeal to display-minded collectors.
Packaging
Transparent plastic clamshell backing card with integrated hang-hole. Green kraft-stock header panel printed in offset lithography with Feather / Umpqua Merchants oval logo in yellow, red, and white. Orange-gold band below logo bearing white sans-serif 'Streamers' text. White kraft label section below with black printed specs: model (TMC 765SP), size, qty. Descriptive text: 'STREAMER, DOWN EYE, TAPERED LOOP-EYE, 5.5XL, 1.5 WIDE GAPE, LIMERICK, TC POINT BLACK NICKEL.' Clamshell sealed with plastic film; hooks secured against card backing. No barcode visible. Utilitarian late-20th-century production format.
Market Value Notes
Low ($10): Good condition, clamshell opened, most hooks present, minor packaging wear<br />
High ($24): Excellent condition, sealed or near-sealed clamshell, complete hook count, minimal defects<br />
Premium factors: Original sealed clamshell packaging adds 40-50% vs loose hooks; Size 6 adds 10-15% vs Size 4; combined vintage Umpqua branding with clean printing adds collector appeal<br />
Platforms: eBay sold listings (US and UK), occasional specialty tackle dealer listings, fly-shop clearance bins<br />
Confidence: V verified — based on eBay sold data (Apr 29, 2023 – Apr 28, 2026), avg $13.50, range $10.00 - $23.99
Where to Find
eBay (US and UK auctions), fly-fishing tackle dealers carrying vintage inventory, specialty hook retailers, fly-fishing shows in Pacific Northwest and Northeast US, occasional estate sale lots including bulk hook collections.
eBay Market Reference
eBay market reference. Researcher-curated. Prices in USD.
Storage and Preservation
Store in a cool, dry environment away from moisture and temperature fluctuation. Black nickel finish is industrial-grade and corrosion-resistant, but extended humidity exposure can produce light surface patina. Original sealed clamshell packaging is ideal for preservation of collectible specimens — keep sealed if displaying as a reference example rather than for regular tying use.
For active tying use, transfer hooks to a sealed plastic container or return to the original card within a dry tackle cabinet with silica-gel desiccant packets. Do not expose to saltwater spray or aerosolized salt; rinse immediately with fresh water and dry thoroughly if saltwater contact occurs. Avoid contact with copper, brass, or other dissimilar metals that could create galvanic corrosion at the point or barb. Do not use abrasive cleaning — gentle wiping with dry cloth is sufficient if dust accumulation occurs.
Packaging Specification Analysis
Source: TMC 765SP Packaging Label — Size 4 and Size 6 Specimens
The printed specification label on both specimens provides precise manufacturing detail: ‘STREAMER, DOWN EYE, TAPERED LOOP-EYE, 5.5XL, 1.5 WIDE GAPE, LIMERICK, TC POINT BLACK NICKEL.’ This represents Tiemco’s standardized hook-coding system, where each element denotes a specific geometric or material property.
‘5.5XL’ indicates extra-long shank relative to gap — specifically, 5.5 times the size-standard gap measurement. This ratio allows the hook to be used in larger streamer patterns without creating excessive overall length. ‘1.5 WIDE GAPE’ is Tiemco’s designation for gap width measured at full bend opening — approximately 1.5 times a standard-gap hook of the same size. ‘TC POINT’ refers to Tiemco’s proprietary point grind (hollow ground, not a named point style like Sproat or Aberdeen). ‘BLACK NICKEL’ is explicitly stated finish — confirming researcher override notation.
The label format uses all-caps sans-serif letterpress, consistent with 1980s-onward production labeling. No regulatory or compliance markings are present (FDA, CPSC numbers), which is appropriate for fishing hooks classified as sport equipment rather than consumer products under regulatory oversight.
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. |
Claims with no notation are confirmed by multiple independent sources. All photographs on garrenwood.com are taken on a measurement grid where each square equals 1/10 inch (0.1″ / 2.54 mm).
