Are you bothered by the fact that wrapping cable wire connection with electric tape which is ugly and not safe enough. Now the good news is that our heat shrink tubing can avoid these troubles and give you a tidy connection. The heat-shrinkable tube has the advantages of good electrical insulation, good sealing, corrosion resistance and high temperature resistance. Anti-aging, tough, not easy to break. Features -Color:Assorted Color -Material: Polyolefin. -Size: About 4.50X0.15X0.15cm/1.77X0.06X0.06in. - Made of polyolefin materials, durable for use. - Suitable for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc. - With these heat shrink tubing kit, you will become more confident in your soldering work. - From professional repair to DIY work at home, so the shrink tube is very convenient when working. - workmanship, reasonable structure, professional and practical, can bring you convenience. Specification: Type Size: 1.5 x 45mm; 2.0 x 45mm; 3.0 x 45mm; 4.0 x 45mm; 5.0 x 45mm; 6.0 x 45mm; 8.0 x 45mm; 10.0 x 45mm. Shrinkage rate: 2:1 (provided that the maximum diameter is reduced by 1/2). Minimum shrink temperature: + 70 degree centigrade. Full shrinkage temperature: +110 degree centigrade maximum. Working temperature: -55 degree centigrade + 125 degree centigrade. Tensile strength: 10.4 Mpa. Insulation strength: 15 kV/mm. Package list: 5300 x heat shrink tubings