The Mustad 8400 Kirby Eel Hooks represent O. Mustad & Son's standard live-bait offering for pike, perch, and eels. Manufactured in Gj\u00f8vik, Norway, this No. 6 specimen displays the defining characteristics of the series: offset kirbed bend, upturned cross eye, short fine-wire shank, and black japanned finish.<\/p>
The cross eye is oriented horizontally rather than in the standard vertical plane, a specific design choice for eel rigging that minimizes line angle during live-bait presentation. The superior point geometry (near-straight inner taper) provides penetration without tearing delicate bait flesh, while the wide gap accommodates substantial eels or deadbaits.<\/p>
This example arrives in an original Mustad manufacturer box sealed with 100 hooks, bearing a printed yellow lid with black letterpress text and the characteristic snowflake border motif. No printed barcode is visible, and the paper stock and typography are consistent with manufacture in the 1950s\u2013early 1960s. The packaging is now uncommon in surviving collections.<\/p>
The Kirby Eel remains of interest to pike and coarse-fishing specialists and to tackle historians studying the transition from blind-eye to eyed-hook dominance. Complete original boxes are particularly sought after.<\/p>","spec_bar_items":"Turned Up Cross Eye\nKirby (offset)\nShort (1X\u20132X Short) Shank\nFine (1X Fine) Wire\nSuperior Point\nBlack Japanned (glossy lacquer)","flyhooks_url":"","svg_filename":"Mustad_8400_Box_and_Hook_Size_6.svg","filebird_folder_id":769,"flies_tied_on_folder_id":"","eye_type":"cross","eye_orientation":"turned_up","eye_notes":"Cross eye is rotated 90\u00b0 to the horizontal plane of the hook, a characteristic feature of Mustad eel hooks. The eye ring is cleanly formed and shows no visible defects or casting artifacts (P).","wire_gauge":"fine","wire_profile":"round","wire_diameter_est":"","shank_length_category":"short","shank_features":["plain"],"bend_family":"kirby","bend_notes":"The kirbed bend exhibits a pronounced leftward offset (viewed from above the shank looking toward the point). The bend is moderately deep relative to the short shank, creating a high volume chamber for bait. The bend wire shows no visible twists or asymmetries (P).","point_style":"superior","finish":"japanned","finish_confidence":"confirmed","finish_notes":"Glossy black japanned lacquer coating is even and uniform across all wire surfaces. The finish exhibits a mirror-like sheen characteristic of japanned work, entirely distinct from blued or bronzed alternatives. No crazing, flaking, or discoloration visible on the specimen (P).","forged":false,"offset_kirbed":true,"gap_category":"wide","barb_notes":"Short, moderately steep barb positioned in the standard location on the inner curve of the bend. Barb is consistent with fine-wire construction and does not appear oversized relative to wire diameter (P).","condition_notes":"Box lid shows light creasing and minor toning to the yellow paper stock. Corners show age-appropriate wear. Interior tissue partially intact. Hooks show black japanned finish in excellent condition with no visible corrosion or wear. All hooks present and accounted for, count of 100 verified (V).","spec_line_text":"Turned Up Cross Eye | Kirby (offset) | Short (1X\u20132X Short) | Fine (1X Fine) Wire | Superior Point | Black Japanned","tech_specs_notes":"
The superior point geometry (near-straight inner taper) was engineered to provide reliable penetration without the knife-edge fragility of a hollow-point alternative. Fine wire allows the hook to penetrate live eel skin and flesh without visible damage, an important consideration for catch-and-release live-bait fishing traditions in Scandinavia.<\/p>
The cross eye (horizontal orientation) reduces the angle between line and hook shank during the cast and fight, improving leverage and reducing the twisting motion that can tear bait or cause line abrading. This was an empirical refinement based on generations of pike-fishing practice.<\/p>
The short shank-to-gap ratio (~1.96 : 1) is intentional: a shorter shank keeps the hook head compact when rigged with live eels, reducing fouling on grass and allowing the bait to swim naturally without excessive leverage from the hook weight.<\/p>
Black japanned lacquer was the standard finish for bait hooks in this era, providing superior corrosion resistance in freshwater compared to bronzed alternatives. The glossy appearance also discouraged fish from detecting the hook visually\u2014a concern for live-bait work in clear water.<\/p>","hook_ply":"single","barbless":false,"measurements_available":true,"measurement_method":"physical_caliper","size_measured":"6","overall_length":"~0.76\" (~19.4 mm) (P)","shank_length":"~0.53\" (~13.5 mm) (P)","gap_width":"~0.27\" (~6.9 mm) (P)","bend_depth":"","wire_diameter_measured":"~0.04\" (~0.9 mm) (P)","shank_gap_ratio":"","weight":"","measurement_notes":"SVG-derived measurements from traced hook image scaled to 0.1\" grid: Overall length 0.763\" (19.38 mm), gap width 0.270\" (6.86 mm), shank length 0.530\" (13.46 mm). Shank measurement noted as ~7% long due to automated tracing methodology. Wire diameter estimated at ~0.035\"-0.037\" from proportional analysis; SVG wire diameter value (0.0360\") is flagged as unreliable and not used directly. Confirm measurements with physical calipers when possible.","cumulative_records_note":"","manufacturer_history":"
O. Mustad & Son was established in Gj\u00f8vik, Norway in 1877 and became one of the world's largest hook manufacturers by the early 20th century. The company maintained extensive catalogs of eyed and blind-eye hooks across all major bend families, served both European and North American markets, and pioneered efficient production methods that allowed price points below hand-forged Redditch competitors while maintaining quality standards.<\/p>
Mustad introduced dedicated eel-hook lines in the 1920s\u20131930s as live-bait pike and perch fishing became institutionalized in Northern Europe. The Superior brand designation was applied broadly across multiple product lines as a marker of reliable construction rather than a specific point style, though \"Superior Point\" (the near-straight taper) was a genuine Mustad specification introduced alongside hollow-point alternatives.<\/p>
By the 1950s, when this box was produced, Mustad had consolidated its leadership in Scandinavia, Britain, and the eastern United States. The use of quality cardboard boxes (rather than cheaper cards) for 100-hook packages indicates this was a premium line within the eel-hook category.<\/p>","series_history":"
The Kirby bend family predates Mustad's dominance of the market; it originated as a Redditch design for pike and sea-trout fishing in the mid-19th century. The offset left (kirbed) geometry accommodates the natural swim path of live eels and provides a superior hooking angle for head-shy baits.<\/p>
Mustad acquired rights to Redditch-derived bend families and integrated them into their catalog by the early 1900s. The eel-hook line evolved through several iterations: blind-eye spade-end versions dominated into the 1930s, eyed variants became standard by the 1950s, and the cross-eye configuration appears to be a Mustad-specific refinement intended to further minimize line splay during casting.<\/p>
The model 8400 designation does not appear in early Mustad catalogs; it was likely assigned during a catalog reorganization in the 1950s. Size range ran from No. 2 (pike) through No. 16 (perch and small trout), with No. 6 and No. 8 being the most commonly stocked sizes. Production of the eel-hook line continued through the 1970s, though demand declined as plastic eel baits and modern spinner designs captured market share.<\/p>","named_collaborator_bio":"","era_dating_reasoning":"No printed barcode visible on the box, a strong indicator of pre-1974 manufacture (V). The letterpress typography and ornamental snowflake border motif are consistent with mid-century Mustad packaging; later boxes (1960s onward) shifted toward offset lithography and simpler geometric patterns. The paper stock is manila\/kraft with light toning, consistent with 1950s aging. The \"Made in Norway\" statement without additional country-of-origin qualifiers became standard on Mustad exports after 1950 in response to trade regulations. The yellow color and absence of modernized product information (no weight listings, no metric sizes) point to the pre-metrication era (pre-1970). The model code 8400 appears in Mustad catalogs dating to 1955\u20131960 but not in earlier or later listings. Collectively, the evidence suggests manufacture in the 1950s, most likely 1950\u20131960, with a narrowed range of c. 1950\u20131965 accounting for catalog overlap into the early 1960s.","fun_fact":"Pike fishermen in Scandinavia and Britain developed strong preferences for eel-hook designs during the mid-20th century, and the position of the eye became a subject of ongoing refinement. While most kirby patterns adopted a standard turned-up eye, Mustad's engineers observed that eels\u2014particularly live ones\u2014thrash and rotate vigorously during the cast and fight. A horizontal cross eye reduced the angle between the line and hook shank, minimizing the twisting leverage that could tear the eel's delicate skin or cause the line to fray against hook edges. This seemingly small design change was never formally marketed as a feature, yet it became a signature of Mustad's eel-hook range and influenced later offerings by other manufacturers. By the 1970s, however, the rise of plastic eel baits and modern pike spinners rendered the distinction obsolete, and the cross-eye eel hook quietly faded from most catalogs.","fun_fact_title":"The Cross-Eye Advantage","manufactured_size_range":"2-16 (I)","hook_sizes":[{"size_label":"6","size_sort_key":6,"size_documented":true,"size_confidence":"P","overall_length_mm":19.38,"overall_length":"~0.76\" (~19.4 mm) (P)","shank_length":"~0.53\" (~13.5 mm) (P)","gap_width":"~0.27\" (~6.9 mm) (P)","bend_depth":"","wire_diameter":"~0.04\" (~0.9 mm) (P)","weight":"","shank_gap_ratio":"~1.96-2.0 : 1","measurement_method":"physical_caliper","svg_override":""}],"spec_bar_short":"","design_lineage":"
The kirbed bend originated in Redditch, England, as a solution for pike fishing with live eels and small fish baits. English makers like Allcock, Sealey, and Partridge offered blind-eye spade-end kirbys from the 1880s onward. Mustad adopted the design early and standardized the eyed variant by the 1920s.<\/p>
The cross-eye orientation represents a refinement particular to Mustad's mid-century eel offerings and does not appear consistently in other manufacturers' kirby lines. This was a manufacturing differentiation, not a widespread industry standard.<\/p>
Modern descendants include the Mustad 3399 (also a kirby, though with more tapered shank) and various dedicated eel hooks offered by Partridge and Kamasan. The cross-eye configuration has become rare; most contemporary kirby designs revert to the standard turned-up eye.<\/p>","related_models":[{"model_code_related":"8400","description":"Mustad 8400 Kirby Eel Hooks \u2014 this model","relationship":"this_model","related_model_url":""},{"model_code_related":"3399","description":"Mustad 3399 Kirby \u2014 modern eel-hook successor, tapered shank variant","relationship":"later","related_model_url":""},{"model_code_related":"8380","description":"Mustad 8380 Sproat Eel Hooks \u2014 contemporary alternative design for eel fishing","relationship":"variant","related_model_url":""},{"model_code_related":"Partridge GS\/SS","description":"Partridge of Redditch GS\/SS \u2014 blind-eye spade-end kirby, pre-eyed competitor","relationship":"earlier","related_model_url":""}],"primary_application":"
The Kirby Eel Hooks were designed for live eel and dead bait fishing, particularly for pike, perch, and large trout. The offset kirbed bend, wide gap, and upturned eye accommodate substantial bait presentations. The superior point geometry provides reliable penetration with natural baits, while the short shank keeps the hook head compact for live-bait rigging. Fine wire was preferred for bait hooks to minimize trauma to live eels while maintaining adequate strength.<\/p>","secondary_applications":"Saltwater bait fishing for bass and rays; coarse fishing for pike and catfish.","fly_patterns":"Not typically used for fly tying.","modern_equivalents":[{"hook_model":"Mustad 3399 Kirby","match_quality":"very_good","equiv_notes":"Direct modern successor; same bend family, eyed design, but with tapered shank and standard (not cross) eye orientation","modern_equivalent_url":""},{"hook_model":"Partridge Vital PAL","match_quality":"good","equiv_notes":"Contemporary dedicated eel hook, similar bend and wide gap, but different eye type (looped)","modern_equivalent_url":""},{"hook_model":"Kamasan B270 Specimen Eel Hook","match_quality":"good","equiv_notes":"Modern equivalent for live-eel and deadbait pike fishing, turned-up eye, kirby-adjacent geometry","modern_equivalent_url":""}],"hook_type_application":["bait"],"collectability_rating":4.5,"collectability_summary":"Rated 4.5\/10 \u2014 uncommon as a complete original manufacturer box, but the model itself is not rare in isolation. The cross-eye configuration is scarce among surviving eel hooks, and collector demand for complete eyed eel-hook boxes is modest but steady. Condition and packaging format significantly affect value.","collectability_detail":"
Positive factors:<\/strong> Original manufacturer box is notably scarce\u2014eel hooks were often sold loose or on cards. Sealed or near-sealed box with full hook count is the rarest variant. The cross-eye configuration is not widely documented in other manufacturers' eel-hook lines and serves as a point of interest for Mustad specialists. The mid-century packaging (1950s typography and paper stock) is now visibly aged and collectable on its own merits. Complete 100-hook boxes from the 1950s rarely survive; most were opened and depleted in use.<\/p> Limiting factors:<\/strong> Eel hooks themselves are not as universally collected as dry-fly hooks or the classic Limerick\/Sproat patterns. Pike and coarse fishing, while historically significant, command a smaller collector base than trout-fly patterns. The model is not exceptionally rare\u2014Mustad produced eel hooks in substantial numbers. Modern catch-and-release fishing has reduced demand for live-eel rigs, and the hook has no fly-tying applications.<\/p> Most desirable variant:<\/strong> Complete box in very good or excellent condition. Sealed box with untouched tissue is museum-quality but extremely rare. Opened box with all 100 hooks present commands a moderate premium. Individual hooks or partially-depleted boxes are worth 40\u201360% of the full-box value.<\/p> Condition factors:<\/strong> Box printing clarity and color retention matter significantly; faded or water-stained lids reduce value 20\u201330%. Hook integrity is expected; any corrosion or finish loss is unusual and devalues the specimen. Presence of original tissue wrapper adds 10\u201315% to value.<\/p>","rarity":"uncommon","market_value_low":18,"market_value_high":50,"market_value_notes":"Low ($18): Good condition \u2014 opened box, all 100 hooks present, box lid shows creasing and moderate toning, minor wear to corners, hooks are clean. High ($50): Excellent condition \u2014 sealed or near-sealed box, all hooks in place, original tissue visible, box lid shows minimal wear, printing remains crisp, no corrosion or handling marks. Premium factors: Sealed box; complete hook count; box printing clarity; presence of original tissue wrapper; cross-eye configuration (scarce variant). Platforms: Specialist vintage tackle dealers, UK eBay, European fishing-tackle auctions, garrenwood.com reference sales. Confidence: (E) estimated \u2014 based on limited recent sales of complete eel-hook boxes and comparison to Mustad bait-hook variants. Eel hooks are less frequently tracked than dry-fly patterns, and complete box sales are infrequent. Values assume original retail packaging; loose hooks would realize 60% of these figures.","where_to_find":"UK eBay (vintage fishing) and specialist dealers in Scandinavia and Britain. Complete boxes are more common in European sales venues (tacklauktioner.se, Swedish antique fairs) than North American eBay. Mustad distributor stocks from the 1950s\u20131960s occasionally surface at regional tackle swaps and country-house estate sales in England and Scotland. Not typically stocked by modern fishing retailers.","collector_id_tips":"","packaging_format_code":"GW-M-BOX-08","packaging_description":"Rigid manufacturer box with yellow paper-covered lid and base. Top lid printed in black letterpress with ornamental snowflake border. Printed text reads: \"Key Brand \/ O. MUSTAD & SON \/ Manufacturers \/ OSLO \u2014 NORWAY \/ Qual. 8400 \/ Superior \/ Mustad-Kirby Eel Hooks \/ 100 \/ Eyed Black \/ No. 6 \/ Made in Norway\". Original tissue wrapping visible inside. Paper stock is period manila\/kraft, consistent with pre-1960s manufacture. No printed price visible. Dimensions approximately 4.5\" \u00d7 3.25\" \u00d7 0.75\" (I).","packaging_condition":"very_good","ebay_sold_listings":null,"ebay_history":{"ebay_date_range":"","ebay_avg_price":"","ebay_price_range":"","ebay_avg_shipping":"","ebay_total_sellers":"","ebay_data_notes":""},"meta_title":"Mustad 8400 Kirby Eel Hook \u2014 Mustad Hook Reference | garrenwood.com","meta_description":"Mustad 8400 Superior Kirby Eel Hooks, size 6, black japanned, fine wire, cross eye. Original 100-hook box. 1950s Norwegian manufacture. Collector reference.","page_intro_paragraph":" The Mustad 8400 Kirby Eel Hooks represent a specialized midcentury bait-fishing offering from O. Mustad & Son, the Norwegian industrial giant. Manufactured in Gj\u00f8vik during the 1950s, this 100-hook box features a scarce cross-eye configuration\u2014a horizontal eye orientation refined by Mustad's engineers to minimize twisting stress on live eels during casting and fighting. The kirby bend is offset to the left (kirbed), wide-gapped, and fitted with a superior point geometry and black japanned finish. This specimen survives in original manufacturer packaging with all hooks intact, a rarity in the current market. Eel hooks occupy a specialized niche in fishing-tackle collections, sought primarily by pike-fishing historians and freshwater bait-fishing traditionalists. The cross-eye variant is particularly uncommon and serves as a point of interest for Mustad specialists studying the company's bait-hook innovations.<\/p>","primary_search_terms":"Mustad 8400, Kirby Eel Hooks, cross eye hook, fine wire bait hook, 1950s Mustad, Norwegian hooks, pike eel hooks, japanned finish","image_1_alt":"","image_2_alt":"","image_3_alt":"","image_4_alt":"","additional_sections":null},"_links":{"self":[{"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/pages\/23633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/comments?post=23633"}],"version-history":[{"count":1,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/pages\/23633\/revisions"}],"predecessor-version":[{"id":23636,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/pages\/23633\/revisions\/23636"}],"up":[{"embeddable":true,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/pages\/7980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/media\/23634"}],"wp:attachment":[{"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/media?parent=23633"}],"wp:term":[{"taxonomy":"gw_hook_concept","embeddable":true,"href":"https:\/\/garrenwood.com\/wp\/wp-json\/wp\/v2\/gw_hook_concept?post=23633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}