The TRJBE4800240010050F1 is a heat shrink sleeve manufactured by Radpol, which has a 2:1 shrink ratio and a 4.8mm diameter. It is made from orange polyolefin, and is designed to easily slide over wires and cables and then shrink to form a secure and neat connection without the need for glue or adhesives. It offers excellent electrical insulation, physical strength, temperature resistance, and chemical resistance. This heat shrink sleeve can be used for a wide range of electrical and general purpose applications.