PVC Elbows and Fittings -Heat Shrink Tubing Highlights Generic Brand Heat Shrink Tubing Description: 140pcs of assorted heat shrink tubing in 3 colors and 9 sizes satisfied for your different needs. All packed in a plastic case for easy access and carry Suitable for electrical insulation, wire bundling, color coding, mechanical protection, wire/cable joints and daily repairs etc. Inner Diameter: 1mm/2mm/3mm/4mm/5mm/6mm/8mm Length: 30mm/60mm Specification: Material: Polyolefin, Heat Shrink Tubing Contains 2:1 shrink ratio Operating Temperature: -55C to +125 C Minimum shrink temperature: +85C Full shrink temperature: Maximum +120C C Package includes: 10 pieces 4 x 60mm (black) 10 pieces 5 x 60mm (black) 10 pieces 6 x 60mm (black) 20 pieces 3 x 30mm (black) 20 pieces 2 x 30mm (black) 30 pieces 1 x 30mm (black) 20 pieces 3 x 60mm (yellow) 10 pieces 4 x 60mm (red) 10 pieces 8 x 60 mm (red) Note: You should keep about 1cm distance when using the lighter to shrink the tube, because it is easy to leave a black mark