ITEM NAME:560Pcs 2:1 Heat Shrink Tubing For Electrical Cable Sleeve Car Tube Kit 12 Size 1. It comes with a solid box to store 560 pieces of heat shrink sheath. 2 . heat shrink tube sleeves of 12 sizes. 45mm / 1.77in inside diameter: 1mm (0.04in) / 1.5mm (0.06in) / 2mm (0.08in) / 2.5mm (0.1in) / 3mm (0.12in) / 3.5mm (0.14in) / 4mm (0.16in) / 5mm (0.2in) / 6mm (0.24in) / 7mm (0.28in) / 10mm (0.39in) / 13mm (0.51in) 3 . effective to insulate or protect cables in industry or at home, such as machine, garden, electronics, car, etc. Also useful for repairing a damaged sheath. 4 . 5 colors to meet your choice. Good heat contraction, the ratio is 2: 1. 5 . for an emergency Description: Material: Made of polyolefin, shrinkage ratio: 2: 1 (will be reduced to 1/2 of its supply diameter) Application: electrical insulation, wire bonding, color coding, mechanical protection, cable / cable joints and routine maintenance, etc. Equipped with 560-piece heat shrink tubes and plastic box. Color: yellow, blue, black, green, red Specifications: 12 specifications Length (approx.): 45mm / 1.77in inside diameter: 1mm (0.04in) / 1.5mm (0.06in) / 2mm (0.08in) / 2.5mm (0.1in) / 3mm (0.12in) / 3.5mm (0.14in) / 4mm (0.16in) / 5mm (0.2in) / 6mm (0.24in) / 7mm (0.28in) / 10mm (0.39in) / 13mm (inches), shrinkage: 2: 1 Minimum shrinkage temperature: + 70 ° C Total shrinkage temperature: up to + 110 ° C Operating temperature: -55 ° C to + 125 ° C Tensile strength: 10.4Mpa Dielectric strength: 15kV / mm Flammability: flame retardant Cutting method: scissors or sharp knife Instructions: 1. Select the appropriate thermal tube. 2. Insert the cable into the heat shrink tube. 3. Use a lighter to shape it. 4. Do not touch until completely refrigerated. List: 1x560 pieces (12 sizes) 2: 1 Heat shrink tube Package Include: According to your Choose!.Heat shrink tube sleeves of 12 sizes. Insert the cable into the heat shrink tube. Equipped with 560-piece heat shrink tubes and plastic box. 1x560 pieces (12 sizes) 2: 1 Heat shrink tube. Select the appropriate thermal tube.