Dual wall adhesive lined heat shrink tubing. Black colour. Expanded inner diameter thread size 3/4 inch. Recovered inner diameter 1/4 inch. 4 to 2/0 gauge. 10 piece package quantity. 3:1 shrink ratio. Made of semi rigid cross linked polyolefin whose outer wall provides excellent strain relief. Thick, meltable inner wall ensures complete environmental protection. Will bond to plastics, rubbers and metals. Provides added strain relief and sealing of terminals and connectors. Mechanical protection of wire leads. Corrosion protection of high temperature components and brazed joints. Operating temperature -55 to 125°C. Minimum shrink temperature 110°C. Flame retardant.