ITEM NAME:328PCS Heat Shrink Tube black 8 Sizes Tubing Wrap Sleeve Set Combo D3I3 328PCS Heat Shrink Tube black 8 Sizes Tubing Wrap Sleeve Set Combo D3I3 Color : Black Sizes: 1mm, 2mm, 3mm, 4mm, 6mm, 8mm, 10mm, 14mm Quantity: 328pcs 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:328 pcs 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.