The BSTS-07X4 is a black semi-rigid Heat Shrink Tubing made of adhesive-lined irradiated modified polyolefin and offers 3:1 shrink ratio. The tubing high expansion ratio makes it possible to repair most damaged cable jackets without removing connectors. Medium wall provides increased mechanical protection. The tubing environmentally seals and protects a wide variety of electrical applications, including back end connector sealing, breakouts, connector-to-cable transitions, components and interconnections. Medium wall provides increased mechanical protection. High expansion ratio makes it possible to repair most damaged cable jackets without removing connectors.