Material: Polyolefin Shrinkage Ratio: 2:1 (will maximum shrink to 1/2 its offered diameter) Collection of heat shrink tubing,7 Specifications,2 colours Supplied inner diameter: 2,2,3,5,7,10,13 Fully shrunk inner diameter: 1,1,1,2,3,5mm,6 Minimum Shrinkage Temp: ≥84°C/183°F Full Shrinkage Temp: ≥120°C/248°F Operating Temperature: -55°C/-67°F to +125°C/257°F Tensile strength: 10 Mpa Dielectric strength: 15 KV/mm Flammability: Flame Retardant Supplied structure (round or flat): Product is supplied flat Cutting method: Scissors or sharp knife 127pcs/set include: (amount offered internal diameter x unmarried length) 30pcs x 2 x 40mm 25pcs x 2 x 40mm 20pcs x 3 x 40mm 20pcs x 7 x 40mm 16pcs x 12mm x 80mm 8pcs x 17mm x 80mm 8pcs x 22mm x 85mm