is an electrical insulation and mechanical protection covering system designed for electrical connections and splices. This product features an electronically transparent, seamless liner that shrinks with heat to provide superior insulation and strain relief for the wire connections. It is ideal for use with shielded and unshielded wires, cable, connectors, and other components in telecommunications, aerospace and military applications. This product is black in color and is 2:1 ratio with a minimum shrink ratio of 1.2:1 and a maximum shrink ratio of 0.6:1. It is UL, RoHS and and CSA recognized.