Feature: 1. Nylon sleeve outsourcing without tape, water and electricity insulation. Non‑flammable material is rest assured and durable 2. The wiring is tight and waterproof. The product shrinks by heat and the internal solidified glue melts 3. This set contain a variety of colors and sizes to meet the different needs of daily use 4. The product allow low temperature rapid heat shrinkage, lighters, heat guns all can finish heat‑shrinked, fast and convenient 5. Come with high strength, high toughness and strong durability, can be bent arbitrarily after heat shrinking Specification: Item Type: Heat Shrink Tubing Material: Nylon Uses: Electronic components, circuit wiring harness, wire connection repair, data line (small head) repair, household goods line repair Heat Shrinkage Ratio: 2: 1 Include Size: Approx. 1.0 x 40mm / 0.04 x 1.57in(red + yellow + green + black) 2.0 x 40mm / 0.08 x 1.57in(red + yellow + green + black) 3.0 x 40mm / 0.12 x 1.57in(red + yellow + green + black) 4.0 x 40mm / 0.16 x 1.57in(red + yellow + green + black) 6.0 x 40mm / 0.24 x 1.57in(red + yellow + green + black) 8.0 x 80mm / 0.31 x 3.15in(red + yellow + green + black) 10.0 x 80mm / 0.39 x 3.15in(red + yellow + green + black) 14.0 x 80mm / 0.55 x 3.15in(red + yellow + green + black) . Package List: 60 x 1.0 x 40mm Heat Shrink Tubing30 x 2.0 x 40mm Heat Shrink Tubing20 x 3.0 x 40mm Heat Shrink Tubing16 x 4.0 x 40mm Heat Shrink Tubing12 x 6.0 x 40mm Heat Shrink Tubing10 x 8.0 x 80mm Heat Shrink Tubing8 x 10.0 x 80mm Heat Shrink Tubing8 x 14.0 x 80mm Heat Shrink Tubing