ITEM NAME:532pcs Ratio 2: 1 Insulation Protection Flame Retardant Heat Shrink Tube Wi C5I9 532pcs Ratio 2: 1 Insulation Protection Flame Retardant Heat Shrink Tube Wi C5I9 Big collection of Electrical Wire, 532pcs Material: PE. Colors: Yellow, Blue, Black, Green, Red, White Length: 40mm Covers all gauges of wires you'll need in RC hobbies and many other applications internal diameter: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Fully shrunk internal diameter: 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm Shrinkage Ratio: 2: 1 ( will maximum shrink to 1 / 2 of its supplied diameter ) Minimum Shrinkage Temp: +70 Celsius Full Shrinkage Temp: +110 Celsius maximum Operating Temperature: -55 Celsius to + 125 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 in a plastic storage box. Package includes: ( Quantity x internal diameter x Single length ) 150pcs x 1.0 x 40mm (Yellow,Black,Blue,Red,Green,White) 80pcs x 2.0 x 40mm (Yellow,Black,Blue,Red,Green,White) 100pcs x 3.0 x 40mm (Yellow,Black,Blue,Red,Green,White) 60pcs x 4.0 x 40mm (Yellow,Black,Blue,Red,Green,White) 50pcs x 5.0 x 40mm (White) 32pcs x 6.0 x 40mm (Black,Red,White) 30pcs x 8.0 x 40mm (Black,Red) 30pcs x 10.0 x 40mm (Black,Red) Only the above package content, other products are not included. 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..Big collection of Electrical Wire, 532pcs. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. Supplied format ( round or flat ): Product is supplied flat.