Description : 7.9mm Polyolefin 3:1 Heat Shrink Tubing Tube Sleeve Wrap Material : Polyolefin Colour : Black Length : 50CM Supplied internal diameter : 7.9 mm minimum Fully shrunk internal diameter : 2.7 mm maximum Shrinkage Ratio : 3 : 1 (will shrink to 1\/3 its supplied diameter) Minimum Shrinkage Temp : +70 C Full Shrinkage Temp : +110 C maximum Operating Temperature : -55 C to +125 C Tensile strength : 10.4 Mph Dielectric strength : 15 iv\/mm Manufacture specification : ISO9001 Flammability : Flame Retardant Approvals : UL Approved Supplied format (round or flat) : Product is supplied flat Cutting method : Scissors or sharp knife Total wall thickness : 1.30±0.15 Wall thickness of adhesive : 0.50± 0.12 Package includes : 1 x Heat shrink (7.9mm) Detail picture :