Energy absorber activates at onset of fall. Keeps fall arrest force below 900 lbf. with a maximum deceleration distance of 42". Strap lanyard is adjustable to 6'. Comes with a rip stitch energy absorber and patented, self-locking, double-action snaphooks that are easily manipulated with one hand. Meets ANSI Z359.1, ANSI A10.14 and OSHA regulations.