Feature:High Quality Polyolefin Heat Shrink Sleeving for General Purpose UseSuitable for electrical insulation, wire bundling, mechanical protection, wire/cable joints and repairs etcGood electrical, mechanical and chemical performanceBest for Hobbyists and Model Makers, Electrical, Electronic, Automotive and General Purpose usesSupplied internal diameter: 2, 2.5, 3.5, 5, 7, 10,13 mmFully shrunk internal diameter: 1.0mm,1.25mm,1.75mm,2.5mm,3.5mm,5.0mm,7.5mmShrinkage Ratio: 2:1 (will shrink to 1/2 its supplied diameter)Material: PolyolefinMinimum Shrinkage Temp:+70CFull Shrinkage Temp: +110C maximumOperating Temperature: -55C to ~125CApprovals: UL ApprovedSupplied format (round or flat): Product is supplied roundCutting method: Scissors or sharp cutterPackaged include:30pcs x 2.0 x 40mm 25pcs x 2.5 x 40mm 20pcs x 3.5 x 40mm 20pcs x 5.0 x 40mm 16pcs x 7.0 x 80mm8pcs x 10.0 x 80mm8pcs x 13.0 x 85mmincludes:1 set x 127pcs Heat Shrink Tubing