Chanzon 3:1 Ratio 1-1/4" (30mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Lined - 4Ft Roll (1.22M Total Length) Black Polyolefin Sleeving Wrap Shrinking 3 to 1 Ratio 1pcs

Additional Details from the Manufacturer

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More features

• 3-1 Ratio - shrink to 1/3 of its original diameter, double wall lined with glue inside for a marine grade waterproof seal, with anti stick tape no tacky interior, diameter 1-1/4 (1.18inch) (30 mm), 4 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, RECH/ROHS 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 3/1 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.