{"product_id":"filluck-marine-grade-heat-shrink-ring-connector-kit-300pcs-assortment-10-1-4-5-16-3-8-waterproof-tinned-red-copper-3-1-adhes","title":"Filluck Marine-Grade Heat Shrink Ring Connector Kit, 300pcs Assortment — #10\/1\/4\/5\/16\/3\/8, Waterproof Tinned Red Copper, 3:1 Adhes","description":"\u003cp\u003e\u003cstrong\u003eFilluck 300pcs Marine Grade Heat Shrink Ring Connectors are waterproof, tinned red-copper crimp terminals designed to create durable, corrosion-resistant electrical connections for boats, vehicles, and RVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit gives you a full assortment of heat-shrink ring terminals in four stud sizes and three insulation colors, housed in an organized storage box. Each connector uses thickened red copper with a tin coating and an adhesive-lined 3:1 shrink ratio sleeve to form a 360-degree moisture barrier when heat is applied. The design focuses on reliable conductivity and mechanical strength in harsh, high-vibration environments such as marine and automotive applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these connectors protect against moisture and corrosion?\u003c\/h3\u003e\n\u003cp\u003eThe connectors combine a tin-plated red copper barrel with a double-wall heat-shrink sleeve containing a thermoplastic adhesive. Heating the sleeve melts the adhesive and shrinks the polymer, creating a sealed bond around the wire and stud that blocks water ingress and resists salt spray.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdhesive-lined double-wall shrink sleeve for a 360° seal\u003c\/li\u003e\n  \u003cli\u003eTinned red copper resists oxidation and improves longevity\u003c\/li\u003e\n  \u003cli\u003e3:1 shrink ratio ensures snug fit over varied cable insulation\u003c\/li\u003e\n  \u003cli\u003eProven for marine and outdoor exposure when properly heated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes and wire gauges are included in the kit?\u003c\/h3\u003e\n\u003cp\u003eThe Filluck set includes 300 terminals across three insulation colors that correspond to common AWG ranges, plus four stud diameters to cover typical ring terminal use. This assortment is intended to reduce trips to the hardware store by giving you the most-used sizes for vehicle and boat wiring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRed: 22–16 AWG (small conductors)\u003c\/li\u003e\n  \u003cli\u003eBlue: 16–14 AWG (medium conductors)\u003c\/li\u003e\n  \u003cli\u003eYellow: 12–10 AWG (larger conductors)\u003c\/li\u003e\n  \u003cli\u003eStud sizes: #10, 1\/4\", 5\/16\", 3\/8\" for common bolt and stud terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these terminals perform under vibration and electrical load?\u003c\/h3\u003e\n\u003cp\u003eThickened copper barrels and secure crimps reduce the risk of wire fatigue and loosening under repeated vibration. The combination of full copper contact and a sealed sleeve maintains consistent conductivity and prevents arcing in demanding conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.7–1.0mm high-purity red copper for strong mechanical crimp\u003c\/li\u003e\n  \u003cli\u003eTin plating improves electrical contact and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eCrimp plus heat-shrink creates both mechanical and environmental protection\u003c\/li\u003e\n  \u003cli\u003eDesigned for automotive, marine, motorcycle, and RV installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use these heat-shrink ring terminals correctly?\u003c\/h3\u003e\n\u003cp\u003eStrip the wire to the recommended length, insert it fully into the copper barrel, then crimp using a proper crimp tool rated for insulated terminals. After crimping, apply heat evenly to the shrink sleeve using a heat gun until the adhesive flows and the sleeve conforms to wire and stud surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStrip wire per terminal gauge markings and insert fully before crimping\u003c\/li\u003e\n  \u003cli\u003eUse a matched crimp tool to avoid barrel deformation\u003c\/li\u003e\n  \u003cli\u003eHeat with a heat gun for controlled, even shrinkage—avoid open flame\u003c\/li\u003e\n  \u003cli\u003eAllow adhesive to cure and cool before testing electrical load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Filluck 300pcs Marine Grade Heat Shrink Ring Connectors kit is made for professional electricians, boat owners, mechanics, RV enthusiasts, and DIYers who need a reliable, corrosion-resistant terminal assortment. If you work with electrical systems exposed to moisture, vibration, or salt air, this kit provides the sizes, materials, and environmental protection required for dependable splices and stud terminations. The labeled storage box keeps components organized so you can find the right terminal quickly when on the job or at the dock.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these terminals suitable for saltwater environments?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Tin-plated copper and adhesive-lined heat-shrink form a moisture-resistant seal suited for saltwater exposure when properly installed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to use them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use a matched insulated-terminal crimp tool and a heat gun for best results; avoid using open flame for consistent shrink and adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Filluck","offers":[{"title":"Default Title","offer_id":48085961113758,"sku":"B0GJ5KT94M","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/filluck-front-packaging.jpg?v=1785881337","url":"https:\/\/northtrailauto.ca\/products\/filluck-marine-grade-heat-shrink-ring-connector-kit-300pcs-assortment-10-1-4-5-16-3-8-waterproof-tinned-red-copper-3-1-adhes","provider":"North Trail Auto","version":"1.0","type":"link"}