Heat shrink tubing, made of materials, durable and can be used for a long time. Heat shrink tubes play the role of insulation and beautification. They can be used for solder joint protection, group of lines marking, capacity reason protection etc. Features -Color:Assorted Color -Material: Polyolefin. -Size: About 4.50X0.15X0.15cm/1.77X0.06X0.06in. - Manufactured with premium materials, durable and practical enough to use. into the most common sizes you'll need, which makes your work faster. - Professional and practical design with beautiful appearance, easy to carry and use. - heat shrink tubing, wear resistant, not easy to deform and durable in use. - Very suitable for professional maintenance and home DIY work. 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: 1060 x heat shrink tubings