The WRJCC2400120010030I1 is an electronic part manufactured by Radpol. It is a heat-shrinkable, glueless-type sleeve that features a 2:1 shrink ratio and a 2.4mm diameter. It is 1m in length and is green in color. It is made of polyolefine material. It is used to protect electrical components from damage due to heat, moisture, and other external factors.