Single-leg construction * Specially designed for users weighing 300-400 pounds * Internal shock absorber limits arrest forces to 1,500 pounds or less, well below OSHA limits * 1-5/8-inch tubular webbing has a tensile strength of 8,500 pounds * Meets the requirements of ANSI Z359.1-2007, A10.32-2004 and OSHA 1926