Features Material Construction - Made from high-quality, anti-aging material for long-lasting performance and reliability in various applications Versatile Protection - Ideal for and prevention on solder joints, making it for industrial and maritime use Superior Insulation Properties - Offers excellent electrical insulation, ing, and resistance to withstand high temperatures Features: 1、Made of wtt material, anti‑aging, not easy to break, long service life, large quantity, long‑term use 2、Mainly used for and prevention of solder joints in industries and ships, and protection of steel structures, etc. 3、Has the advantages of good electrical insulation, good ing, resistance, high temperature resistance, etc. 4、Comes with a plastic box to keep your heat shrink tubing kit in order, easy to store and retrieve 5、The heat shrinkable tube kit has three colors, very suitable for wiring harness identification and clear at a glance Specification: Item Type: Heat Shrink Tubing Material: Wtt Uses: Suitable for Electrical Insulation, Wire Bundling, Color Coding, Mechanical Protection, Wire/Cable Joints and Daily Maintenance, etc. Package List: 30 x Black Heat Shrink Tubing (45 x 1m) 30 x Black Heat Shrink Tubing (45 x 10mm) 30 x Black Heat Shrink Tubing (45 x 7mm) 30 x Black Heat Shrink Tubing (45 x 6mm) 30 x Red Heat Shrink Tubing (45 x 5mm) 40 x Red Heat Shrink Tubing (45 x 4mm) 50 x Red Heat Shrink Tubing (45 x 3.5mm) 60 x Red Heat Shrink Tubing (45 x m) 70 x Yellow Heat Shrink Tubing (45 x 2.5mm) 100 x Yellow Heat Shrink Tubing (45 x 2mm) 150 x Yellow Heat Shrink Tubing (45 x 1.5mm) 180 x Yellow Heat Shrink Tubing (45 x 1mm) Package List 30 x Black Heat Shrink Tubing (45 x 13mm) 30 x Black Heat Shrink Tubing (45 x 10mm) 30 x Black Heat Shrink Tubing (45 x 7mm) 30 x Black Heat Shrink Tubing (45 x 6mm) 30 x Red Heat Shrink Tubing (45 x 5mm) 40 x Red Heat Shrink Tubing (45 x 4mm) 50 x Red Heat Shrink Tubing (45 x 3.5mm) 60 x Red Heat Shrink Tubing (45 x 3mm) 70 x Yellow Heat Shrink Tubing (45 x 2.5mm) 100 x Yellow Heat Shrink Tubing (45 x 2mm) 150 x Yellow Heat Shrink Tubing (45 x 1.5mm) 180 x Yellow Heat Shrink Tubing (45 x 1mm)