{"product_id":"blue-tang-hydralloy","title":"Underwater Kinetics Blue Tang Hydralloy Dive Knife","description":"\u003ch1\u003eUnderwater Kinetics Blue Tang Hydralloy Dive Knife\u003c\/h1\u003e\n\n\u003cp\u003eThe Underwater Kinetics Blue Tang Hydralloy Dive Knife is a full-size dive and rescue knife built for divers who want corrosion resistance, strong cutting performance, and reliable underwater access. Made with UK’s proprietary Hydralloy blade material, the Blue Tang is designed to deliver a sharp, durable edge while resisting the harsh effects of saltwater dive environments.\u003c\/p\u003e\n\n\u003cp\u003eBuilt as a serious dive safety tool, the Blue Tang includes a straight slicing edge, serrated edge, hooked line cutter, contoured grip, signaling pommel, and a secure quick-release sheath system. It is available with either a drop-point blade or blunt-tip blade, giving divers the option to choose the tip style that best fits their diving, rescue, or underwater utility needs.\u003c\/p\u003e\n\n\u003ch2\u003eWhy It Works\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHydralloy blade material combines strong edge performance with saltwater corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eStraight edge, serrated edge, and hooked line cutter handle rope, line, and common underwater entanglement materials.\u003c\/li\u003e\n  \u003cli\u003eQuick-release sheath uses dual side buttons to help prevent accidental release.\u003c\/li\u003e\n  \u003cli\u003eContoured grip fits comfortably in either hand for secure underwater handling.\u003c\/li\u003e\n  \u003cli\u003eSignaling pommel can be used to tap on a tank for underwater communication.\u003c\/li\u003e\n  \u003cli\u003eInterchangeable color ID accents help make the knife easier to identify in shared gear setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eThe Underwater Kinetics Blue Tang Hydralloy Dive Knife is ideal for scuba divers, rescue divers, spearfishing support, kelp diving, wreck diving, and anyone who wants a dependable full-size underwater cutting tool. It is especially useful for divers who want a corrosion-resistant blade with multiple cutting surfaces and a secure leg-mounted sheath system.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-size dive and rescue knife\u003c\/li\u003e\n  \u003cli\u003eHydralloy corrosion-resistant blade material\u003c\/li\u003e\n  \u003cli\u003eAvailable in drop-point or blunt-tip blade styles\u003c\/li\u003e\n  \u003cli\u003eStraight slicing edge\u003c\/li\u003e\n  \u003cli\u003eSerrated cutting edge\u003c\/li\u003e\n  \u003cli\u003eHooked line cutter for monofilament, rope, and light netting\u003c\/li\u003e\n  \u003cli\u003eContoured grip for right- or left-hand use\u003c\/li\u003e\n  \u003cli\u003eSoft rubber thumb guard\u003c\/li\u003e\n  \u003cli\u003eChoil for controlled grip positioning\u003c\/li\u003e\n  \u003cli\u003eSignaling pommel for tank-tapping communication\u003c\/li\u003e\n  \u003cli\u003eDual-button quick-release sheath\u003c\/li\u003e\n  \u003cli\u003eQuick-release leg straps\u003c\/li\u003e\n  \u003cli\u003eInterchangeable color ID accents\u003c\/li\u003e\n  \u003cli\u003eTool-free disassembly for cleaning\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Underwater Kinetics\u003c\/li\u003e\n  \u003cli\u003eModel: Blue Tang Hydralloy Dive Knife\u003c\/li\u003e\n  \u003cli\u003eProduct Type: Full-size dive and rescue knife\u003c\/li\u003e\n  \u003cli\u003eBlade Material: Hydralloy\u003c\/li\u003e\n  \u003cli\u003eBlade Options: Drop point or blunt tip\u003c\/li\u003e\n  \u003cli\u003eBlade Length: 5.00 in \/ 12.70 cm\u003c\/li\u003e\n  \u003cli\u003eOverall Dimensions: 10.00 x 2.15 x 1.00 in \/ 25.40 x 5.46 x 2.54 cm\u003c\/li\u003e\n  \u003cli\u003eWeight: 9.30 oz. \/ 263.65 g\u003c\/li\u003e\n  \u003cli\u003eSheath: Quick-release sheath with dual release buttons\u003c\/li\u003e\n  \u003cli\u003eMounting: Quick-release leg straps\u003c\/li\u003e\n  \u003cli\u003ePrimary Use: Scuba diving, rescue diving, underwater utility, and entanglement safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKnife Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Name\u003c\/td\u003e\n      \u003ctd\u003eUnderwater Kinetics Blue Tang Hydralloy Dive Knife\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBlade Material\u003c\/td\u003e\n      \u003ctd\u003eHydralloy\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBlade Tip Options\u003c\/td\u003e\n      \u003ctd\u003eDrop point or blunt tip\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBlade Length\u003c\/td\u003e\n      \u003ctd\u003e5.00 in \/ 12.70 cm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOverall Dimensions\u003c\/td\u003e\n      \u003ctd\u003e10.00 x 2.15 x 1.00 in \/ 25.40 x 5.46 x 2.54 cm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWeight\u003c\/td\u003e\n      \u003ctd\u003e9.30 oz. \/ 263.65 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCutting Surfaces\u003c\/td\u003e\n      \u003ctd\u003eStraight edge, serrated edge, hooked line cutter\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSheath Release\u003c\/td\u003e\n      \u003ctd\u003eDual-button quick release\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMounting\u003c\/td\u003e\n      \u003ctd\u003eQuick-release leg straps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWarranty\u003c\/td\u003e\n      \u003ctd\u003eLimited lifetime warranty\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBlade Style Guide\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBlade Style\u003c\/th\u003e\n      \u003cth\u003eBest For\u003c\/th\u003e\n      \u003cth\u003eUse Notes\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDrop Point\u003c\/td\u003e\n      \u003ctd\u003eDivers who want a pointed tip for more precise cutting and utility work\u003c\/td\u003e\n      \u003ctd\u003eUseful for general underwater tasks where tip control matters.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBlunt Tip\u003c\/td\u003e\n      \u003ctd\u003eDivers who want a safer tip style around inflatables, gear, and close-contact rescue use\u003c\/td\u003e\n      \u003ctd\u003eHelps reduce accidental puncture risk while still offering cutting power.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eMounting Tip:\u003c\/strong\u003e Adjust the leg straps with your exposure suit on, then test the fit before entering the water. Wetsuit material can compress at depth, so the knife should feel secure without cutting off circulation.\u003c\/p\u003e\n\n\u003ch3\u003eCare Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse the knife and sheath with fresh water after every dive.\u003c\/li\u003e\n  \u003cli\u003eRemove salt, sand, and debris before storage.\u003c\/li\u003e\n  \u003cli\u003eInspect the sheath lock before each dive to confirm the knife snaps securely into place.\u003c\/li\u003e\n  \u003cli\u003eKeep the blade sharp for emergency cutting performance.\u003c\/li\u003e\n  \u003cli\u003eUse caution when disassembling or cleaning the knife, as the blade edges are sharp.\u003c\/li\u003e\n  \u003cli\u003eStore dry and away from prolonged direct sunlight or excessive heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow It Compares\u003c\/h3\u003e\n\u003cp\u003eCompared to smaller compact dive knives, the Blue Tang Hydralloy offers a larger 5-inch blade, multiple cutting surfaces, and a traditional leg-mounted sheath system. Compared to titanium dive knives, Hydralloy is designed to provide a strong cutting edge and corrosion resistance at a lower cost than titanium.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBottom Line:\u003c\/strong\u003e The Underwater Kinetics Blue Tang Hydralloy Dive Knife is a rugged full-size dive and rescue knife built for divers who want strong cutting performance, corrosion resistance, secure sheath retention, and reliable underwater utility in a proven UK design.\u003c\/p\u003e","brand":"UNDERWATER KINETICS","offers":[{"title":"Yellow \/ DROPPOIN","offer_id":45803150508115,"sku":"627300","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ BLUNTTIP","offer_id":45803150475347,"sku":"627301","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ BLUNT","offer_id":45803150344275,"sku":"502967","price":89.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ DROPPOIN","offer_id":45803150377043,"sku":"508793","price":89.99,"currency_code":"USD","in_stock":false},{"title":"Black \/ N\/A","offer_id":45803150409811,"sku":"627298","price":89.99,"currency_code":"USD","in_stock":false},{"title":"NA \/ NA","offer_id":45803150442579,"sku":"627299","price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1213\/2486\/files\/UnderwaterKinetics_BlueTangKnife-Hydralloy-DropPoint-Yellow_2545x_f3296ab7-fde9-4ecc-afc1-869df0a0a4bc.webp?v=1785258377","url":"https:\/\/divensurf.com\/products\/blue-tang-hydralloy","provider":"Dive N' Surf","version":"1.0","type":"link"}