Heat Shrink Tubing Set Car Wire Electrical Wire Wrap Cable 2:1 Safe Wrapping Assorted Sleeving Tube Waterproof Wrap Assortment 1 ) Descriptions: Material Polyolefin Operating Temperature -55C to +125C Minimum Shrinkage Temp +70C Full Shrinkage Temp +110C Maximum Shrinkage Ratio 2:1 (will maximum shrink to 1/2 its supplied diameter) 2) Advantage GLUE INSIDE : When heat is applied, adhesive comes out and seals the connection, creating waterproof and long-lasting insulation. EASY TO USE : Simply slide heat shrink tube over your connection point and apply heat.Professional connections made in seconds. DUAL WALL TUBING : Outer wall provides abrasion resistance.Inner wall creates waterproof seal and strain relief. 3) Product Use Wire/cable joints and daily repairs. Electrical insulation. Identifying wires (by colour coding). Wire bundling ,organizing the messy cables/wires. Lights wiring. M echanical protection, etc . 4) Product Description Set A: 127PCS Heat Shrink Tube Colors include All black Specification : (Quantity x Supplied Internal Diameter x Single Length) 30pcs X 2.0 X 40mm 16pcs X 7.0 X 80mm 25pcs X 2.5 X 40mm 8pcs X 10.0 X 80mm 20pcs X 3.5 X 40mm 8pcs X 13.0 X 85mm 20pcs X 5.0 X 40mm Set B: 127PCS Heat Shrink Tube Colors include Red and black Specification : (Quantity x Supplied Internal Diameter x Single Length) 30pcs X 2.0 X 40mm 16pcs X 7.0 X 80mm 25pcs X 2.5 X 40mm 8pcs X 10.0 X 80mm 20pcs X 3.5 X 40mm 8pcs X 13.0 X 85mm 20pcs X 5.0 X 40mm Set C: 328pcs Heat Shrink Tube Colors include Yellow,Black,Red,Green, blue Specification : (Quantity x Supplied Internal Diameter x Single Length) 120pcs X 1.0 X 40mm 32pcs X 6.0 X 40mm 60pcs X 2.0 X 40mm 20pcs X 8.0X 80mm 32pcs X 3.0 X 40mm 16pcs X 10.0 X 80mm 32pcs X 4.0 X 40mm 16pcs X 14.0 X 80mm 5) Package included: Choose your favorite Tools set 6 )Note 1. Please keep away from small kids in case of scratching. 2. Your positive feedback is a great help to us. If you have any questions, please feel free to contact us.