Designed to protect a worker if a fall occurs that involves going over an edge. Features a shock absorber integrated into the lifeline, lowering fall arrest forces; durable, corrosion-resistant stainless steel and aluminum construction extends service life; 30% lighter than competitive models in class for easy handling; lifeline twisting minimized by dual swivels design (unit top and snap hook). Quick, easy installation. Carabiner and tagline included for easy lifeline access and connection. SRLs with Kevlar® shock-absorbing packs designed for welding applications. Dual-capacity rated for up to a 310-lb. worker in leading edge applications and up to a 400-lb. worker when mounted overhead. Meets all applicable OSHA, ANSI and CSA standards and requirements, including ANSI Z359.14 and CSA Z259.2.2 and Z259.12-11 (for overhead use only).