The HSTT150-48-5C 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. 1.50” Diameter X 4’ Long (38.1 MM X 1.2 M). Color Clear. 5 Per Package.