Feature: 1. This polyolefin material kit contains 580 pieces shrink tubing in 6 colors. 2. Big collection of heat shrink tubing 11 specifications with different sizes. 3. Perfect for protecting the point of connection from any kind of elements. 4. 2:1 shrink ratio. High expansion ratio makes it possible to repair most damaged cable jackets. 5. Wide application for electrical insulation, wire bundling, colour coding, mechanical conservation, wire/cable joints and repairs etc. 6. High quality \u0026 compact translucent storage box for easy access and carry. 7. Wide application for electrical insulation, wire bundling, colour coding, mechanical conservation, wire/cable joints and repairs etc. High quality \u0026 compact translucent storage box for easy access and carry. 8. The heat shrink tube is perfect for protecting the point of connection from any kind of elements. 9. This polyolefin material kit contains 580 pieces shrink tubing in 6 colors. High quality \u0026 compact translucent storage box for easy access and carry. 10. High quality \u0026 compact translucent storage box for easy access and carry. Perfect for protecting the point of connection from any kind of elements. Specification: This professional heat shrink tube set with 2:1 shrink ratio is perfect for protecting the point of connection from any kind of elements. Features: This polyolefin material kit contains 580 pieces shrink tubing in 6 colors. Big collection of heat shrink tubing 11 specifications with different sizes. Perfect for protecting the point of connection from any kind of elements. 2:1 shrink ratio. High expansion ratio makes it possible to repair most damaged cable jackets. Wide application for electrical insulation, wire bundling, colour coding, mechanical conservation, wire/cable joints and repairs etc. High quality & compact translucent storage box for easy access and carry. Specifications: Color: Yellow + Blue + Black + Green + Red + Transparent Material: Polyolefin Supplied Internal Diameter: 1mm, 1.5mm, 2mm, 2.5m, 3mm, 3.5mm, 4mm, 5mm, 6mm, 8mm, 10mm Fully Shrunk Internal Diameter: 0.5mm, 0.75mm, 1mm, 1.25mm, 1.5mm, 1.75, 2mm, 2.5mm, 3mm, 4mm, 5mm Length: Approx. 38mm, 45mm Specifications: 11 Kinds Quantity: 580PCS 80 * 1.0 x 38mm Black Heat Shrink Tube 80 * 1.5 x 38mm Yellow Heat Shrink Tube 50 * 2.0 x 38mm Blue Heat Shrink Tube 50 * 2.0 x 38mm Black Heat Shrink Tube 30 * 2.5 x 38mm Black Heat Shrink Tube 30 * 3.0 x 38mm Green Heat Shrink Tube 30 * 3.0 x 38mm Transparent Heat Shrink Tube 30 * 3.5 x 38mm Black Heat Shrink Tube 40 * 4.0 x 45mm Black Heat Shrink Tube 30 * 4.0 x 45mm Red Heat Shrink Tube 30 * 5.0 x 45mm Black Heat Shrink Tube 20 * 6.0 x 45mm Yellow Heat Shrink Tube 20 * 8.0 x 45mm Red Heat Shrink Tube 20 * 10.0 x 45mm Blue Heat Shrink Tube 20 * 10.0 x 45mm Black Heat Shrink Tube 20 * 10.0 x 45mm Transparent Heat Shrink Tube Shrink Ratio: 2:1 (Maximum shrink to 1/2 of its internal diameter) Minimum Shrinkage Temperature: +70℃ Full Shrinkage Temperature: +110°C maximum Operating Temperature: -55℃ to +125℃ Dielectric Strength: 15 kV/mm Tensile Strength: 10.4 Mpa Flammability: Flame Retardant Supplied Format: (1mm, 1.5mm, 2mm, 2.5m, 3mm, 3.5mm, 4mm, 5mm, 6mm)Round, (8mm, 10mm)Flat Cutting Method: Scissors or Knife Manufacture Specification: ISO9001 Approvals: UL Approved Size of the Heat Shrink Tube Storage Box: 195 * 130 * 35mm / 7.68 * 5.12 * 1.38" Package Size: 19.5 * 13 * 3.5cm / 7.68 * 5.12 * 1.38in Package Weight: Approx. 220g / 7.78oz Package List: 580 * Heat Shrink Tube 1 * Storage Box Package List: 580 * Heat Shrink Tube 1 * Storage Box