Description: Supplied internal diameter: 1.2/2.4/3.2/4.8/6.4/9.5mm Top Quality Polyolefin Heat Shrink Sleeving for General Purpose Use. A full range most of popular sizes. Material: PVC Cutting method: Scissors or sharp knife Perfect for electrical, electronic, automotive, hobby, etc. Suitable for electrical insulation, wire bundling, colour coding, mechanical protection, wire/cable joints and repairs etc. Good electrical, mechanical and chemical performance. Ideal for Hobbyists and Model Makers, Electrical, Electronic, Automotive and General Purpose uses. Specification: Shrinkage Ratio: 2:1 (will shrink to 1/3 its supplied diameter) Be both UL & SGS certified for up to 600V @125 Degree Centigrad Length: Approx. 3.94" / 10cm Color: 5 different colors(red, yellow, blue, black, white) Package includes: 60x 1.2mm size Heat Shrinkable Tube 40x 2.4mm size Heat Shrinkable Tube 30x 3.2mm size Heat Shrinkable Tube 20x 4.8mm size Heat Shrinkable Tube 10x 6.4mm size Heat Shrinkable Tube 10x 9.5mm size Heat Shrinkable Tube 1x Storage box