Lightweight nylon webbing automatically extends up to 10' and retracts while allowing full range of movement. Inertia-braking mechanism locks instantly to protect the worker in the event of a slip or fall. Locking snap attaches easily to harness back D-ring and self locking self closing carabiner attaches to anchor. Complies with OSHA 1926.502, ANSI A10.14, Z359.1, and CSA Z259.11 Standards.