Chanzon 3:1 Ratio 1/16" (1.6mm) Heat Shrink Tubing - Marine Grade Waterproof Adhesive Lined - 8Ft Roll (2.5M Total Length) Black Polyolefin Sleeving Wrap Shrinking 3 to 1 Ratio 1pcs

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 1/16 (0.06inch) (1.6 mm or 1.5mm), 8 feet long, please see diameter chart(picture 3).

Safe & ECO-Friendly - UL Listed for up to 600 voltage -55-125℃ working temperature 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.