Heat Shrink Label Cassette offers a premium method of labeling wires and cables. Simply slide the tube onto the cable and shrink snugly to the cable using a heat gun. Labels will never fall off. Industrialgrade polyolefin offers a 3:1 heat shrink ratio and the convenience of printing directly on the tubing itself. Heatshrink tubes are tested to meet SAE, ASTM and military specifications. Rhino labels meet OSHA, ANSI and ISO standards. All SKILCRAFT Dymo products are produced by Americans who are blind. Purchasing this AbilityOne mandatory source product ensures your compliance with federal procurement regulations.