Description: Material:Made of Polyolefin Ratio:2:1; 11 Specifications Suitable for electrical insulation, wire bundling, colour coding, mechanical protection, wire/cable joints and daily repairs etc. Comes with 580pcs heat shrink tube assorted in plastic box, 12 Specifications , satisfied for your different need Length: 38mm and 45mm; Internal Diameter: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 8mm, 10mm Specification: Minimum Shrinkage Temp: +70? Full Shrinkage Temp: +110? maximum Operating Temperature: -55? to + 125? Size Chart: Quantity x Internal Diameter x Single Length 80pcs x 1.0 x 38mm Black 80pcs x 1.5 x 38mm Yellow 50pcs x 2.0 x 38mm Blue 50pcs x 2.0 x 38mm Black 30pcs x 2.5 x 38mm Black 30pcs x 3.0 x 38mm Green 30pcs x 3.0 x 38mm Clear 30pcs x 3.5 x 38mm Black 40pcs x 4.0 x 45mm Black 30pcs x 4.0 x 45mm Red 30pcs x 5.0 x 45mm Black 20pcs x 6.0 x 45mm Yellow 20pcs x 8.0 x 45mm Red 20pcs x 10.0 x 45mm Blue 20pcs x 10.0 x 45mm Black 20pcs x 10.0 x 45mm Clear Total: 580pcs Heat Shrink Package Includes: 580pcs Heat Shrink ( with case?