Color : black Material : PC : Flame Retardant Cutting : Scissors or sharp knife Big collection of heat shrink tubing, 8 Specifications Supplied internal diameter : 2.0mm, 2.5mm, 3.5mm, 5.0mm, 6.0mm , 8.0mm, 10.0mm, 13.0mm minimum Fully shrunk internal diameter : 1.0mm, 1.25mm, 1.75mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 6.5mm maximum Tensile strength : 10.4 Mpa Minimum Shrinkage Temp : +70C Full Shrinkage Temp : +110C maximum Operating Temperature : -55C to +125C Dielectric strength : 15 kV/mm Shrinkage Ratio : 2 : 1 (will maximum shrink to 1/2 its supplied diameter) Package Contents: 1 x Plastic Box 40pcs x 2.0 x 30mm Heat shrinkable tube 40pcs x 2.5 x 60mm Heat shrinkable tube 20pcs x 3.5 x 60mm Heat shrinkable tube 15pcs x 5.0 x 60mm Heat shrinkable tube 11pcs x 6.0 x 60mm Heat shrinkable tube 8pcs x 8.0 x 100mm Heat shrinkable tube 8pcs x 10.0 x 100mm Heat shrinkable tube 8pcs x 13.0 x 100mm Heat shrinkable tube Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.