The electronic part 83251650 manufactured by Lapp Kabel is a heat shrink sleeve that has a 2:1 shrink ratio and is 3.2mm in diameter. This component is made from transparent plastic and is 15m in length. It does not require glue for installation. This heat shrink sleeve may be used to protect and insulate electrical terminals, wires, and connections from moisture, abrasion, and corrosion.