Dyna-Lock SRL's have three continuously moving independent braking mechanisms to prevent freezing in icy or corro-sive conditions. A built-in shock absorber limits fall arrest forces to under 900 lbs. Has a 4 1/2' per second locking speed. Available with 3/16 galvanized or stainless steel wire rope or 1 wide nylon webbing. (galvanized version shown) Meets all applicable OSHA requirements and ANSI standards including ANSI Z359.1 and ANSI A10.32. CSA certified.