This Heat Shrink Kit is very suitable for any project workshop, fixing the broken wires, electrical insulation, mechanical protection, wire bandwidth, wire connection, wire ends process, wire / cable junctions, daily repairs, color coding etc.

Retraction Ratio for these heat shrink tube is 2: 1, made of polyolefin, good electrical isolation or insulation of the open wires or the connected one.

Heat Shrink Tube Length: 45mm, Inner Diameter: 1mm / 1.5mm / 2mm / 2.5mm / 3mm / 3.5mm / 4mm / 5mm / 6mm / 7mm / 10mm / 13mm.

Assorted Heat Shrink Sleeving With Different Colors: 5 colors (yellow, blue, black, green, red) in a 12 compartments organizer, satisfied for geeneral DIY home and auto electrics.

Rohs Certification, Easy to use, cover the bare wire part with these tubes, heat it with soldering iron, heat gun or even hair dryer (hot enough), the tube will shrink protect the wires and give you a professional look of the repair job!