Chanzon 3:1 Ratio 3/8" (9.5mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Lined - 8Ft Roll (2.5M Total Length) Red Po

3-1 Ratio - shrink to 13 of its original diameter, double wall lined with glue inside for a marine grade waterproof seal, with anti stick tape no tacky interior, diameter 38 (037inch) (95 mm), 8 feet long, please see diameter chart(picture 3) Safe & EcO-Friendly - UL Listed for up to 600 voltage -55-125 working tempurature which ensures its safe and reliable, REcHROHS compliance halogen and lead free protect you and your family DOUBLE WALL TUBINg - Take out the anti-adhesive paper inside then apply heat, adhesive comes out and seals the connection, creating marine grade waterproof insulation, corrosion resistance water & oil proof, VW-1 Flame Retardants, High temperature resistance 31 shrinkable glue inside wire EASY TO USE - choose the right size you need and simply slide shrinking tubes over your connection point and apply heat around 70-125 temperature evenly with a hot air gun APPLIcATIONS - Shrink tube are mainly used for industrial repair, ship, automotive, wire links, anti-rust and anti-corrosion protection of solder joints, and audio and electrical DIY Wire ends, harnesses, electronics protection and insulation treatment, fitness equipment parts and steel structure surface protection and so on