"Heat shrink tubing kit with a shrink ratio of 2:1. Features and Benefits: -Constructed from halogen-free environmentally friendly polyolefin which is flame retardant and RoHS compliant -Operating temperature of 55°C to 125°C -Shrinking starts at 70°C and becomes totally shrunk at 110°C -Maximum electrical rating of 600V Typical Applications: -For use with heat guns and gas torches -Suitable for connecting, end handling, electric wire insulating and harnessing, corrosion proofing metal rods and tubes and antenna protection"