The Radpol WRJCC7601380110030C1 is an electronic part with a heat-shrinkable sleeve which is electronically sealed on the product without the use of adhesives. It is a 2:1 ratio polyolefin, 76mm long black sleeve with a length of 1 meter. It is designed to insulate, strain-relieve, protect, and identify wires, cables, and harnesses. It also provides durability, flexibility, and resistance to UV light, weathering, abrasion, extremes of temperature, and chemicals.