Features： 1、Resistance To High Temperature Shrinkage: Heat shrink tubing has the functions of resistance to high temperature shrinkage, soft flame retardant, insulation and non corrosion, etc. 2、Widely Used In Insulation Protection: Widely used in insulation protection of wiring harness, solder joints, inductors, and proof of rust and corrosion of metal pipe rods 3、Glass State And High Elastic State: As the temperature goes from low to high, the polymer material will experience glass state and high elastic state. The performance of the glass state is close to that of plastic, and the performance of the high elastic state is close to that of rubber 4、Very Flexible: The material used in the heat shrinkable tube is in a glassy state at room temperature, and is in a highly elastic state after heating, very flexible 5、A Variety of Specifications: There are a variety of specifications for you to use, equipped with storage box for convenient, easy and worry free storage Specification： Item Type: Heat Shrink Tubing Model: 650Pcs Product Parameter Specifications: Heat Shrink Tubing(1mm / 1/24in) x 150 Heat Shrink Tubing(2mm / 1/12in) x 120 Heat Shrink Tubing(3mm / 1/8in) x 100 Heat Shrink Tubing(4mm / 1/6in) x 90 Heat Shrink Tubing(5mm / 1/5in) x 80 Heat Shrink Tubing(6mm / 1/4in) x 50 Heat Shrink Tubing(8mm / 5/16in) x 30 Heat Shrink Tubing(10mm / 2/5in) x 30 Package List： 650 x Heat Shrink Tubing 1 x Storage Box