18' of 3/16" galvanized cable. Constructed with a heavy-duty thermoplastic case for durability. Three fast and positive cam-driven locking pawls offer security in case of a fall. Utilizes 7/8" opening Pelican™ hook. Swiveling anchor point on case. Complies with the current ANSI Z359.1-2007 and all applicable OSHA regulations and requirements.