Features 1、These heat shrink tubes are made of high quality polyolefin which is flame retardant, soft and shrink fast 2、This set contains many popular 2:1 heat shrink tube of six different diameter 3、Different colors of heat shrink tubes are great for identification, concise and clear 4、There are total 70pcs heat shrink tubes can meet you basic daily needs 5、Ideal for garages, auto electricians, mechanics, workshops etc. Suitable for cars, vans, motor homes etc Specification Description: Eco-friendly heat shrinkable tube does not produce toxic and harmful substances. It is widely used in wire connection, and has many advantages of flame retardant, insulation, environmental protection, soft, shrinking fast, stable performance, etc. Features: These heat shrink tubes are made of high quality polyolefin which is flame retardant, soft and shrink fast. This set contains many popular 2:1 heat shrink tube of six different diameter. Different colors of heat shrink tubes are great for wire identification, concise and clear. There are total 70pcs heat shrink tubes can meet you basic daily needs. Ideal for garages, auto electricians, mechanics, workshops etc. Suitable for cars, vans, motor homes etc. Specifications: Material: Polyolefin Diameter: 1.0mm, 1.5mm, 2.5mm, 3.5mm, 5.0mm Fully Shrunk Diameter: 0.65mm, 0.85mm, 1.3mm, 1.8mm, 2.5mm Shrinkage Rate: 2:1 Min. Shrink Temperature: 70℃ Full Shrunk Temperature: 110℃ Flame Retardant: Yes Halogen-free: Yes Quantity x Diameter x Length x Color: 14pcs x 1.0mm x 200mm x Yellow, Blue, Black, Green, Red, White, Transparent(2pcs each) 14pcs x 1.5mm x 200mm x Yellow, Blue, Black, Green, Red, White, Transparent(2pcs each) 14pcs x 2.5mm x 200mm x Yellow, Blue, Black, Green, Red, White, Transparent(2pcs each) 14pcs x 3.5mm x 200mm x Yellow, Blue, Black, Green, Red, White, Transparent(2pcs each) 14pcs x 5.0mm x 200mm x Yellow, Blue, Black, Green, Red, White, Transparent(2pcs each) Package Includes: 70pcs x Heat Shrink Tubes Package List