DBI/SALA Lad-Saf Hands Free Mobile Rope Grab fits to 5/8" Dia rope lifeline and used with 3' EZ Stop II shock absorbing lanyard. This rope grab automatically follows, offering you greater freedom of movement and virtually hands-free operation. It has Revolution ry design which is less sensitive to rope variation and utilizes both inertia, cam locking system for added safety by preventing panic-grab situations. Energy absorbing design reduces the forces generated upon a worker in the even of a fall and can be attach or detached anywhere along the lifeline for added flexibility. It has corrosion resistant stainless steel, thermoplastic construction and meets or exceeds all industry standards including OSHA, ANSI and the stringent ANSI Z 359.