45PCS/Box 4:1 Black Heat Shrink Tubing Electronic DIY Kit Insulated Polyolefin Sheathed Shrink Tubing Cables Tube 45PCS/Box 4:1 Black Heat Shrink Tubing Electronic DIY Kit Insulated Polyolefin Sheathed Shrink Tubing Cables Tube. Sale price : $10.05 Category : Home Improvement