Heat Shrink Tubing - TOOGOO(R) 1m Polyolefin Heat Shrinkable Tube Sleeving 2:1 Shrink Ratio dia 50mm Very thin wall tubing good protection for temperature sensitive components. Low shrink temp improves production efficiency. Suitable for various electric insulation and bonding of cables and connectors and widely applied for connecting or end-handling, electric wire, insulating and harness of electric wire, corrosion-proof of metallic rods or tubes, and antenna protection.