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Gamakatsu O1413 Worm Hook, size 3/0, is a single-hook saltwater pattern manufactured in Japan and distributed in the United States through Gamakatsu USA and Spro Corp. V. The specimen is a round-Kendal bend hook with a long shank (1X length), straight ball eye, and extra-fine wire — geometry suited to rigging soft plastics and natural baits for saltwater gamefish. The hook carries a nickelled finish as confirmed on the original packaging V. The packaging is a rigid manufacturer box containing 100 hooks, with origin marking “Hooks Made in Japan / Packaged in Thailand” and period-consistent distributor addresses suggesting production in the 1990s-early 2000s. Collecting interest is modest; worm hooks from major manufacturers are common in the secondary market, though vintage Gamakatsu saltwater patterns have developed some collector following among specialist tyers and nostalgia-driven buyers of late-twentieth-century tackle.
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Straight / Inline Ball Eye | Round / Kendal | 1X Long | Extra-Fine Wire | Standard / Spear Point | Nickelled
The worm hook geometry — long shank, relatively narrow gap, and straight ball eye — is optimized for soft plastic bait rigging. The long shank provides adequate separation between the eye and barb to accommodate plastic bodies without eye-to-point interference. Extra-fine wire (.047″ diameter estimated) allows penetration of hard-mouthed saltwater species (striped bass, bluefish) without requiring excessive force, a trade-off typical of saltwater worm designs. The round-Kendal bend provides moderate hook depth while maintaining the angular entry geometry valued in soft plastic presentations. Standard-spear point geometry — near-straight inner face with moderate outer taper — balances hook-set reliability with easy point entry into plastic and flesh.
Known manufactured size range: 1/0-10 V
Physical measurement with calipers
This pattern was made in sizes 1/0-10 (V). We have measurement for size 3/0. Know the others? Submit calipered measurements and we'll review and add them. Thank you!
Gamakatsu Co., Ltd. was founded in Japan and became a major manufacturer of fishing hooks by the 1960s-1970s, with particular strength in specialized saltwater and freshwater patterns. The company established a US distribution presence in the 1980s, initially through partnerships and later through direct subsidiary operations. By the 1990s, Gamakatsu USA was headquartered in Tacoma, Washington, serving the Western US market directly, while Eastern US distribution was managed through partner firms such as Spro Corp. (Kennesaw, Georgia). Gamakatsu maintained manufacturing facilities in Japan and, beginning in the 1990s, expanded offshore production to Thailand to meet growing US demand. The company is known for consistent quality control and willingness to innovate specialized patterns for niche applications — worm hooks for soft plastics were part of this strategy as artificial lures gained popularity in saltwater fishing during the 1980s-1990s.
The O1413 Worm Hook appears to be a standard saltwater worm-hook offering within Gamakatsu’s broader saltwater hook catalog rather than a named series. No commemorative naming, designer attribution, or limited-run designation is visible on the packaging. The model code (O1413) likely reflects Gamakatsu’s internal catalog system where the “O” prefix may denote saltwater (ocean) hooks and the subsequent numerals identify the specific pattern. Worm hook designs became increasingly popular in American saltwater fishing during the 1980s-1990s as anglers adopted Japanese-style soft plastic rigging techniques, and Gamakatsu’s entry into this segment reflects the company’s responsiveness to market demand. Without documentary evidence of introduction date or discontinuation, the series history remains limited to the observation that this hook represents Gamakatsu’s standard saltwater worm offering during the 1990s-2000s.
Box construction and print method consistent with offset lithography on cardboard typical of post-1980 production. Distributor addresses (Tacoma, Washington ZIP 98424; Kennesaw, Georgia ZIP 30144) reflect two-tier US distributor model common to Gamakatsu from early 1990s onward. Origin statement "Hooks Made in Japan / Packaged in Thailand" indicates dual manufacturing — Thai assembly/packaging of Japanese-manufactured hooks, a practice Gamakatsu adopted in the 1990s. Modern sans-serif typeface and warning label language align with 1990s-2000s manufacturing standards. No barcode visible; modern barcodes became standard industry practice by early 2000s, suggesting this example predates universal barcode adoption on small hook packaging, or represents a distributor without retail-point barcode infrastructure. No major logo redesigns or branding shifts visible, consistent with Gamakatsu's stable brand identity during this period. Best estimate: 1990-2005, with greater probability toward 1995-2005.
The "Hooks Made in Japan / Packaged in Thailand" origin statement reflects a manufacturing shift that transformed global hook production in the 1990s. As Japanese labor costs rose, Gamakatsu and other major manufacturers began shipping blank hooks (wire bent to shape but not yet assembled or finished) to lower-cost countries for final finishing, assembly with snells, and packaging. Thailand became a major offshore packaging hub for Japanese and European hook makers. This offshore outsourcing model allowed manufacturers to maintain quality control of the critical bend-forming and heat-treating steps in Japan while reducing labor costs on finishing and assembly. The practice remains common today, and vintage boxes bearing Thai packaging stamps represent a documented moment in the globalization of fishing tackle manufacturing.
Worm hooks represent a design category that emerged in response to soft plastic lure development in the 1980s-1990s. The basic geometry — long shank, narrow gap, straight eye — descends from traditional live-bait and natural-shrimp hook designs used in saltwater fishing since the early 20th century, but the specific dimensional ratios were refined to accommodate rigid and semi-rigid artificial plastics. Competing designs appeared from other major manufacturers: Mustad offered worm-style hooks (model numbers in the 32000 and 34000 series), and Owner (a Japanese company competing directly with Gamakatsu) developed comparable patterns. The round-Kendal bend selected for the O1413 is a compromise geometry — deeper than a simple round bend, but not as angular as an O’Shaughnessy, providing moderate hook-set power without excessive metal stress. Modern equivalents persist in all major manufacturer catalogs; the basic worm hook design remains largely unchanged because the function is well-established.
| Silhouette | Hook Model | Match | Analysis | Compare |
|---|---|---|---|---|
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4225 No. true — Kendal Kirby Hooks | 74% | Compare | |
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SP11-3L3H No. 5/0 — Saltwater Perfect Bend | 73% | Compare | |
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4211 No. true — Kendal Kirby Hooks | 72% | Compare | |
|
33602 No. 3/0 — Mustad 33602 Sproat Hook | 71% | Compare | |
|
3282 No. 1 — Aberdeen Hook | 69% | Compare |
| Silhouette | Hook Model | Match | Compare |
|---|---|---|---|
|
|
SP11-3L3H No. 5/0 — Saltwater Perfect Bend | 100% | Compare |
|
3667 D — Limerick Hooks | 100% | Compare |
|
38928 No. 4/0 — Mustad 38928 Sproat | 100% | Compare |
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9009 No. 8 — Mustad 9009 | 100% | Compare |
|
73310 — T10-6H | 99% | Compare |
Designed for saltwater bait fishing and soft plastic imitation use. The long shank and worm hook geometry accommodate natural or artificial baits in saltwater contexts, particularly for striped bass, bluefish, and other predatory species in inshore and estuarine environments.
Rated 3.5/10 — Gamakatsu saltwater patterns are common in bulk lots and periodic sales, but complete original boxes with full hook counts are less frequently encountered than individual cards or loose hooks. Collector demand is casual; most buying is driven by functional need rather than collecting interest, and values reflect that practical utility.
Worm hooks from major manufacturers enjoy steady but non-enthusiast demand; they remain functionally relevant to modern saltwater anglers, which dampens their collectibility as antiques. Gamakatsu’s industrial production volume means surviving examples are numerous. The limiting factor is packaging condition — loose hooks command minimal premium, while complete, sealed boxes are more desirable. This specimen shows a full count in original packaging, which adds modest value above the hooks’ loose worth. No special size, finish, or variant markings raise collectability beyond the baseline. Strength: original manufacturer box with original content intact. Weakness: no rarity in size or finish specification, no named collaborator or limited-run designation.
Rigid manufacturer box with integral flap lid. Bright blue painted exterior with white screened text and graphic elements. Front face displays Gamakatsu script logo (white, script style), centered. "Style" label in left column, "WORM HOOK" in white box with blue border (screen-printed). "Size" label in right column, "3/0" in white circular field (large, centered). "Stock No." in white box, "O1413-100" printed in bold blue numerals. "Quantity" field, "100" in white circle. Lower half shows warning text in blue and product origin information: "HOOKS MADE IN JAPAN / PACKAGED IN THAILAND." Gamakatsu USA distributor information printed: "Gamakatsu USA, Inc. (Western U.S.)" P.O. Box 1797 Tacoma, WA 98424, and "Spro Corp. (Eastern U.S.)" 3655 Kennesaw 75 Pkwy Suite 135, Kennesaw, GA 30144. Box dimensions approximately 3.5" x 2.5" x 1" (depth varies with hook configuration). Paper stock is standard offset-printed cardboard, typical of post-1980 manufacturing. No barcode visible on front or outer surface examined.
Low ($3): Good condition, opened box, all or most hooks present, minor wear acceptable.<br />
High ($8): Mint or excellent condition, sealed or intact box, full hook count, minimal defects.<br />
Premium factors: Original manufacturer box with all hooks present, clear and intact printing, no corrosion or damage.<br />
Platforms: eBay (US and international), casual tackle dealer lots, online saltwater tackle retailers.<br />
Confidence: E estimated. Gamakatsu saltwater hooks lack robust pricing history in specialist auctions; values inferred from comparable worm-hook lots and soft-plastic rigging hook pricing. Complete boxes command 2-3x the value of equivalent loose hooks or damaged packaging.
eBay auctions (search "Gamakatsu O1413" or "Gamakatsu Worm Hook 3/0"), online saltwater tackle retailers (Tackle Direct, Capt. Harry's), estate and garage sales where fishing tackle is mixed in bulk lots, occasional specialty online hook dealers.
Model code O1413 is printed on the box face in large numerals beneath the “Stock No.” field; this is Gamakatsu’s internal catalog designation. Size 3/0 is marked in the white circular field on the right side of the box front. Verify that the box address block shows both Tacoma, WA (Western US distributor) and Kennesaw, GA (Eastern distributor) information; this two-address format is characteristic of Gamakatsu US distribution ca. 1990-2010. Inspect the “Hooks Made in Japan / Packaged in Thailand” text — this origin statement differentiates later Gamakatsu production from earlier all-Japanese manufacturing. The ball eye should be smoothly rounded (not egg-shaped or irregular); Gamakatsu’s finishing consistency on ball eyes is a quality identifier. Hook count should total 100 per the box label; count them to confirm authenticity.
| 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).
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