Item Description: Big collection of heat shrink tubing,7 Specifications. Package Included: Color:Black/Colorfui 127/328/455pcs 2:1 Heat Shrink Total:127pcs/328pcs/455pcs Totel Length:7.28m Shrinkage Ratio:2:1 (will shrink to 1/2 its supplied diameter) Material:Polyolefin Minimum Shrinkage Temp:+70°C Full Shrinkage Temp:+110°C maximum Operating Temperature:-55°C to +125°C Tensile strength:10.4 Mpa Dielectric strength:15 kV/mm Features: Flammability:Flame Retardant Approvals:UL Approved Supplied format (round or flat):Product is supplied flat Cutting method:Scissors or sharp knife Package Included: Hot Air Gun EU(220V)300W 127pcs Black Heat Shrink 328pcs Heat Shrink 455pcs Heat Shrink 127pcs Black Heat Shrink+Hot Air Gun EU(220V)300W 328pcs Heat Shrink+Hot Air Gun EU(220V)300W