ITEM NAME:127 pcs Heat Shrink Tubing Polyolefin PE Wire Protection Insulation Wrap Sleeve Description: Contains 127 assorted black heat shrink tubes. Supplied inner diameter: 2.0mm 2.5mm 3.5mm 5.0mm 7.0mm 10mm 13mm. Specially designed to be used in electrical systems to repair, insulate and add strength to wiring. The tubes made of PE material, tubes shrink to half their diameter when heated to provide a secure seal. This heat shrink kit is suitable for any project workshop, fixing the broken wires, electrical insulation, mechanical protection, etc. Specification: Material: Polyolefin PE Color: Black Shrink Ratio: 2:1 Minimum Shrinkage Temperature:+ 70Â °C Full Shrinkage Temperature:+ 110Â °C Max Working Temperature:-55Â °C + 125Â °C Tensile Strength:10.4 Mpa Insulation Strength:15 kv/mm Flammability: Flame retardant Size Chart: Tube Length: 40mm, 80mm, 85mm Package Includes: 30 Pieces 2.0x40mm 25 Pieces 2.5x40mm 20 Pieces 3.5x40mm 20 Pieces 5.0x40mm 16 Pieces 7.0x80mm 8 Pieces 10.0x80mm 8 Pieces 13.0x85mm Note: Please allow slight dimension difference due to different manual measurement. SKU: DMO0010326879018617.Specially designed to be used in electrical systems to repair, insulate and add strength to wiring. Material: Polyolefin PE. Contains 127 assorted black heat shrink tubes. Insulation Strength:15 kv/mm.