A sturdy box with compartments to store 333 shrink tubes, easy to access.Inner diameter provided: 2.4mm, 3.2mm, 4.8mm, 6.4mm, 7.9mm, 9.5mm, 12.7mm.Made of polyolefin, shrink ratio: 3: 1 (will shrink to 1/3 its supplied diameter) Operating Temperature: -55C to +125CSuitable for electrical insulation, wire bundling, color coding, mechanical protection, wire/cable joints, daily repairs etc.< /li>Heat shrink has excellent flame retardant and insulating properties. The heat shrink tubing shrinks quickly and the shrink temperature is low. Soft and flexible, fast shrinkage, acid and alkali resistance, anti-aging. Package Contents: 70PCS: 2.4*45mm 70PCS: 2.4*45mm 90PCS: 3.2*45mm 60PCS: 4.8*45mm 20PCS: 6.4*45mm 40PCS: 6.4*45mm 15PCS: 7.9*45mm 15PCS: 7.9*45mm 10PCS: 9.5*45mm A solid box with compartments to store 333 heat-shrinkable tubes, easy access. Inner diameter provided: 2.4mm, 3.2mm, 4.8mm, 6.4mm, 7.9mm, 9.5mm, 12.7mm. Made of polyolefin, shrink ratio: 3: 1 (will shrink to 1/3 its supplied diameter) Operating Temperature: -55C to +125C Suitable for electrical insulation, wire bundling, color coding, mechanical protection, wire/cable joints, daily repairs etc. The heat-shrink has excellent flame retardant and insulating properties. The heat shrink tubing shrinks quickly and the shrink temperature is low. Soft and flexible, fast shrinkage, acid and alkali resistance, anti-aging. Package Contents: 70 PCS: 2.4*45mm 70PCS: 2.4*45mm 90PCS: 3.2*45mm 60PCS: 4.8*45mm 20PCS: 6.4*45mm 40PCS: 6.4*45mm 15PCS: 7.9*45mm 15PCS: 7.9*45mm 10PCS: 9.5*45mm 13PCS: 12.7*45mm "