The SVLR78 SureGrab device and lifeline is used to provide temporary fall protection onladders or when climbing vertical structures. This system can also be used to provide asecondary lifeline for suspended positioning systems used by building/structure inspectors,window cleaners, and maintenance personnel. The SureGrab device moves freely up ordown an approved 5/8" (16 mm) diameter lifeline. When sudden downward movementoccurs, a camming lever is activated arresting the fall. The device can be installed orremoved from the lifeline at any point along its length.Meets and exceeds ANSI Z359.1 and OSHA standards. SureGrab rope grabs are CSA certified.