The HellermannTyton 450-20024 heat shrink and sleeve kit is designed for a variety of cable repair and protection applications. The kit includes a length of 75cm black heat shrink tubing and sleeving, which can be used to protect wires, cables and electrical components from moisture, salt water, UV rays, and other damaging elements. The heat shrink tubing is a 22mm diameter, 76mm length and has a 2:1 shrink ratio. The sleeve is made from a UV resistant and flame retardant material with a continuous operating temperature up to 125°C. It can also be used in conjunction with a variety of connectors, such as plugs, sockets, and terminals.