.The WRJCC1271640010030K1 is an electronic part manufactured by Radpol featuring a polyolefin heat shrink sleeve. It has a 2:1 shrink ratio, with a diameter of 12.7mm and a length of 1m. The colour is yellow-green and it comes with glueless connections. The polyolefin has a variety of applications such as insulation, strain relief, protection, identification, and more. It can also help in the prevention of abrasion, wear and tear, and moisture build up.