The HSTT50-CC Thin Wall Heat Shrink Tubing shrinks around wires, connectors, joints, and terminals when heated to protect against abrasion. Applications include insulating and protecting wires/cables in indoor, dry locations. Shrink ratio: 2:1. Temperature range: -67°F to 275°F (-55°C to 135°C). Cross-linked polyolefin. 0.50” Diameter x 100’ Long (12.7 mm x 30.5 m). Color Clear. 1 roll.