{"product_id":"hi-seas-mini-double-barrel-copper-sleeves-1-3mm-id-2-40mm-od-durable","title":"HI-SEAS Mini Double Barrel Copper Sleeves 1.3mm ID 2.40mm OD - Durable","description":"\u003cp\u003eOur review of the HI-SEAS Mini Double Barrel Copper Sleeves finds them best suited to anglers and rig builders who need small, durable crimps for mono or wire leader work. The single biggest reason to buy is their reliable, burr-free double barrel design combined with a corrosion-resistant black copper finish that creates strong, long-lasting connections even under heavy load. These sleeves are practical for trolling, bottom rigs, and heavy monofilament tasks where consistent crimp quality and sleeve strength matter more than fancy packaging.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble barrel design:\u003c\/strong\u003e Provides a secure, two-sided crimp that improves bond strength for tough fish and heavy loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper construction:\u003c\/strong\u003e The copper body with a black finish resists corrosion and stays non-abrasive against leaders and wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile use:\u003c\/strong\u003e Works with both mono leader and wire leader setups when used with a proper crimping tool like the HI-SEAS Pro Hand Swager.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurr-free finish:\u003c\/strong\u003e Ensures a smooth, hassle-free application that reduces line damage during crimping and handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetail or bulk pack options:\u003c\/strong\u003e Available in quantities suitable for casual anglers or pros who build rigs frequently, saving time and cost per crimp.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese sleeves suit anglers who build their own rigs for trolling, bottom fishing, or heavy-duty coastal and offshore work and need dependable crimps that hold under strain. They are particularly useful for those working with fluorocarbon, coated steel leaders, or high-test mono where sleeve strength and fit are critical.\u003c\/p\u003e\n\u003cp\u003eSerious tournament anglers and commercial operations will appreciate the bulk packaging, while complete beginners who do not own a crimping tool should consider buying a compatible hand swager first, since proper crimping technique is required to get the best results.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-quality double barrel construction yields consistent, strong crimps.\u003c\/li\u003e\n\u003cli\u003eBlack copper finish resists corrosion and is gentle on leader materials.\u003c\/li\u003e\n\u003cli\u003eWorks well with both mono and wire leaders, offering versatility for many rigs.\u003c\/li\u003e\n\u003cli\u003eGood value in larger counts for frequent rig builders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires a proper crimping tool and correct technique to achieve optimal performance.\u003c\/li\u003e\n\u003cli\u003eSize specifics mean anglers must confirm the sleeve matches their exact leader diameter before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eDouble barrel copper sleeves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner diameter (ID)\u003c\/td\u003e\n\u003ctd\u003e1.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter (OD)\u003c\/td\u003e\n\u003ctd\u003e2.40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e7.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e1000 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible lines\u003c\/td\u003e\n\u003ctd\u003eMono leader and wire leader\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe HI-SEAS Mini Double Barrel Copper Sleeves are a practical, cost-effective choice for anglers who build robust rigs and need consistent crimp quality. When paired with a proper crimping tool, their double barrel, burr-free design and corrosion-resistant finish deliver dependable connections and good value for both casual and frequent rig builders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these sleeves be used on both mono and wire leaders?\u003c\/strong\u003e\u003cbr\u003eYes. They are designed for use with mono leader or wire leader when crimped correctly with an appropriate swager.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these sleeves resist corrosion in saltwater?\u003c\/strong\u003e\u003cbr\u003eThe copper body with a black finish is corrosion-resistant and suitable for marine use, though rinsing gear after saltwater exposure is still recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat crimping tool should be used?\u003c\/strong\u003e\u003cbr\u003eUse a quality crimping tool such as the HI-SEAS Pro Hand Swager or an equivalent fishing crimper to get reliable, burr-free crimps.\u003c\/p\u003e","brand":"Hi-Seas","offers":[{"title":"Default Title","offer_id":48637385539803,"sku":"B004UUE0C0","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81f6VobU0xL._SL1500.jpg?v=1778541858","url":"https:\/\/gearmusthave.com\/products\/hi-seas-mini-double-barrel-copper-sleeves-1-3mm-id-2-40mm-od-durable","provider":"GearMustHave","version":"1.0","type":"link"}