Description :   Dual-Wall 2 Inch 50.00mm Ratio 3 : 1 Heat Shrink Tubing Tube Wire Wrap  Specification :   Color : Black Internal diameter : 2&amp;quot; \/ 50.0 mm (the diameter of columniform but not after compressed)<br> Fully shrunk internal diameter : 17.0 mm Total wall thickness : 2.80 &amp;plusmn; 0.25 Wall thickness of adhesive : 0.70 &amp;plusmn; 0.15 Length : 50CM \/ 1.64FT Shrinkage Ratio : 3 : 1 (will shrink to 1\/3 its supplied diameter) Material : Polyolefin  Minimum Shrinkage Temp : +70 C Full Shrinkage Temp : +110 C maximum Operating Temperature : -55 C to +125 C Tensile strength : 10.4 Mpa Dielectric strength : 15 kV\/mm Manufacture specification : ISO9001 Flammability : Flame Retardant Approvals : UL Approved Cutting method : Scissors or sharp knife   Package Included :   1 x 50mm Heat Shrink Tube  Detail pictures :