These heat shrink tubes are crafted from sturdy materials, with a pleasant texture that owns use. They are easy to install and use, with excellent performance that makes them ideal for a wide range of applications. Whether you need to apply them to your power supply or other electrical components, these heat shrink tubes will provide service. Features - ColorAssorted Color - Material:Polyolefin - Size: 4.50X1.00X1.00cm/1.77X0.39X0.39in - Size: 4.50X0.80X0.80cm/1.77X0.31X0.31in - Size: 4.50X0.60X0.60cm/1.77X0.24X0.24in - Size: 4.50X0.50X0.50cm/1.77X0.20X0.20in - Size: 4.50X0.40X0.40cm/1.77X0.16X0.16in - Size: 4.50X0.30X0.30cm/1.77X0.12X0.12in - Size: 4.50X0.20X0.20cm/1.77X0.08X0.08in - Size: 4.50X0.15X0.15cm/1.77X0.06X0.06in - Temperature resistance: 125 degree centigrade. - Withstand Voltage: 0.6KV. -This heat shrink tubing set is suitable for protecting solder joints, marking group lines, and protecting resistors and capacitors. -Practical heat shrink tube provides protection against abrasion, and other damage to cables, solder, and plug connections. -The heat shrink tubing offers excellent electrical insulation, let you own satisfying using feeling. -Made from good workmanship, these heat shrink tubes are safe and insulated, ensuring use. -Excellent performance and a variety of specifications available, these heat shrink tubes can fit for your requirements very well. Package list: 320 x heat sink tubes(1.5mmx45mm) 640 x heat sink tubes(2.0mmx45mm) 240 x heat sink tubes(3.0mmx45mm) 400 x heat sink tubes(4.0mmx45mm) 120 x heat sink tubes(5.0mmx45mm) 80 x heat sink tubes(6.0mmx45mm) 80 x heat sink tubes(8.0mmx45mm) 240 x heat sink tubes(10.0mmx45mm)