This Panduit AST15-5-C100 aerial support tie is made of weather-resistant polypropylene, has a minimum tensile strength of 75 lb., and a bundling diameter range of 0.25 to 1.5 inches. The cable support tie uses a plastic locking pawl for closure and has a built-in 1/2" spacer to maintain separation from the mounting surface. This black-colored cable tie is CE compliant for quality assurance and is suitable for securing and bundling electrical cables in outdoor locations.Panduit manufacturers power, communications, computing, control, and security system products. The company, founded in 1955, is headquartered in Tinley Park, IL.