Description The heat shrink tubing is made of material, stronger retraction ratio makes it more suitable for fixing the broken wires, wire connection, electrical insulation(e.g. copper ring eye terminals lugs), wire bundling, mechanical protection, cable joints and daily repairs etc. Features -Color: As shown -Material: PE -Size: 17x13x3.7cm/6.68x5.11x1.45in - Heat shrinkage ratio :3:1 - Operating temperature :-55°C to + 125°C - Minimum shrinkage temperature :70°C - Complete shrinkage temperature: 110°C Max - Tensile strength :10.4 MPa - Dielectric strength :15 kV/mm - Flame retardant: flame retardant - Suitable for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc. - From professional repair to DIY work at home, so the shrink tube is very convenient when working. - This shrink tube is well made of material, thick and durable. - Cover the area with them and shrink them with a heat tool, then the wire shrink wraps will the wire tight and evenly within a few seconds. - With this heat shrink tubing kit, you will become more confident in your soldering work. Suitable for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc. From professional repair to DIY work at home, so the shrink tube is very convenient when working. This shrink tube is well made of material, thick and durable. Cover the area with them and shrink them with a heat tool, then the wire shrink wraps will the wire tight and evenly within a few seconds. With this heat shrink tubing kit, you will become more confident in your soldering work.