Description: By shrinking to 1/2 of the original diameter, the heat shrink tube provides secure protection and strain relief for the connection. Featuring low shrinkage temperature, the heat shrink tubes allow you to wrap wire in a fast and secure way. Made of high-quality polyolefin, the heat shrink tubes have good electrical isolation. Including 55pcs heat shrink tubes with inner diameters of 1mm, 1.5mm, 2.5mm, 3.0mm, 5.0mm, this kit can be used in different situations. They are suitable for wire connection, wire bundling, wire harness covering, and electrical repair, etc. Item Name: Heat Shrink Tube Kit Material: Polyolefin Cutting Method: Scissors Tensile Strength: 10.4Mpa Dielectric Strength: 15kV/mm Minimum Shrinkage Temperature: 70 Degree Celsius Shrinkage Ratio: 2:1 (Shrink to 1/2 Supplied Diameter) Features: Flexible, Stable Performance, Fast Shrinkage Full Shrinkage Temperature: Maximum 110 Degree Celsius Operating Temperature: -55 Degree Celsius - 125 Degree Celsius Color: Random in 11 Colors (Black, Blue, Green, Gray, Red, White, Yellow, Purple, Transparent, Brown, Yellow+Green) Size Details: Heat Shrink Tube Internal Diameter: 1mm/0.04", 1.5mm/0.06", 2.5mm/0.1", 3mm/0.12", 5mm/0.2" (Approx.) Fully Shrunk Internal Diameter: 0.5mm/0.02", 0.75mm/0.03", 1.25mm/0.05", 1.5mm/0.06", 2.5mm/0.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 11 x 1.0mm Heat Shrink Tubes 11 x 1.5mm Heat Shrink Tubes 11 x 2.5mm Heat Shrink Tubes 11 x 3.0mm Heat Shrink Tubes 11 x 5.0mm Heat Shrink Tubes