Heat shrink tubing parts, heat shrinkable cable tube with electrical insulation, shrinkage ratio 2:1, 5 colors, 12 sizes 【 Large collection of electrical wires 】: 5 colors (black, yellow, blue, green, red), 12 specifications，560 pieces. 【 12 heat shrink tubes. length 】: 45 mm; diameter: 1 mm / 1.5 mm / 2 mm / 2.5 mm / 3 mm / 3.5 mm / 4 mm / 5 mm / 6 mm / 7 mm / 10 mm / 13 mm. 【 Heat shrink fittings Shrinkage rate: 2:1. Excellent flame retardant and insulating performance. Soft and flexible, low shrinkage temperature, rapid shrinkage, acid and alkali resistance, anti-aging. 【 Environmental protection material 】: RoHS standard and Sony-SS-00259 standard. The composition of the material does not contain PBB, PBBO, PBBE, heavy metals and other environmentally hazardous substances.