ITEM NAME:320pcs 9 Size Black Heat Shrink Tube Sleeving Wrap Wire Kit 2:1 B7B6 320pcs 9 Size Black Heat Shrink Tube Sleeving Wrap Wire Kit 2:1 B7B6 Material: Polyolefin Net Weight: 103g Main Color: Black Rated Voltage: 600V Complete Shrink Temperature: 110C; Temperature Range: 55C-125C Lateral Shrinkage: greater than equal 50%; Longitudinal Shrinkage: less than equal 8%; Temperature Level: 125C Shrink Ratio: 2:1; Total Length(each): 30mm Diameter: 2mm/2.5mm/3mm/3.5mm/4mm/5mm/6mm/7mm/8mm Professional, fast, and secure way to wrap wire harnesses.Shrinks to half its diameter.Mainly used in wire, solder joint protection, electrical wire end and electronic devices protection and insulation protection, on the surface of parts and metal protection, anti-rust, anti-corrosion treatment related products, wire and other products identification, etc.Recommend using the heat gun to heat those shrinkable tube. Package Content : 40pcs 2mm Heat shrink tube 40pcs 2.5mm Heat shrink tube 40pcs 3mm Heat shrink tube 40pcs 3.5mm Heat shrink tube 40pcs 4mm Heat shrink tube 30pcs 5mm Heat shrink tube 30pcs 6mm Heat shrink tube 30pcs 7mm Heat shrink tube 30pcs 8mm 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.