Features • Durable Material Construction - Crafted from high-quality WTT material, this tubing offers excellent resistance to aging and breakage, ensuring a long service life for your projects • Versatile Application Use - Ideal for protecting solder joints in various industries and ships, as well as safeguarding steel structures, providing reliable protection where needed • Superior Electrical Insulation - Features excellent electrical insulation properties, high-temperature resistance, and strong sealing capabilities, ensuring safe and efficient performance • Organized Storage Solution - Comes with a convenient plastic box that keeps your tubing kit neatly organized, making it easy to store and retrieve the right size when needed • Color-Coded for Easy Identification - This set includes three vibrant colors, allowing for quick and clear identification of wiring harnesses at a glance, enhancing efficiency in your work 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 harn 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 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) 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)