General description This heat shrink kit is ideal for various applications including workshop projects, broken wire repairs, electrical insulation, mechanical protection, wire connections, wire end processes, cable splices, daily repairs, and color coding. It includes 560 pieces of heat shrink tubing in 5 colors and 12 sizes, making it perfect for home DIY enthusiasts and automotive use. Technical specifications Shrink ratio: 2:1 Material: Polyolefin Heat shrink tube length: 45mm Inner diameters: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 10mm, 13mm Colors: Yellow, blue, black, green, red Installation Cover the bare part of the wire with the heat shrink tubing. Heat the tubing using a soldering iron, heat gun, or a sufficiently hot hair dryer. The tubing will shrink to protect the wires and provide a professional finish to the repair. Other information RoHS certification