ITEM NAME:42 PCS Heat Shrink Tube black 6 Sizes Tubing Wrap Sleeve Set Combo C1H9 42 PCS Heat Shrink Tube black 6 Sizes Tubing Wrap Sleeve Set Combo C1H9 Color: Black Sizes: 1mm, 1.5mm,2.5mm, 3.5mm, 5mm, 6mm Quantity:42pcs Material: rubber Shrinkage Ratio: 2:1 ( will maximum shrink to 1 / 2 of its supplied diameter ) Minimum Shrinkage Temp: +70Degrees Celsius Full Shrinkage Temp: +110Degrees Celsius maximum Operating Temperature: -55Degrees Celsius to + 125Degrees Celsius Tensile strength: 10.4 Mpa Dielectric strength: 15 kV / mm Flammability: Flame Retardant Supplied format ( round or flat ): Product is supplied flat Cutting method: Scissors or sharp knife Package Contents:42pcs X Heat Shrink Tube Note: Light shooting 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.