This 2-user, galvanized steel vertical safety system (vertical lifeline) meets the new ANSI Z359.16 standard, along with OSHA 1910.140 and 1926.502, when used with the Lad-Saf X3 detachable cable sleeve (6160054) and Lad-Saf X2 detachable cable sleeve (6160030) and is ideal for billboards and ladders. The climbing extension extends 4' above the top attachment point. This 2 user, galvanized steel vertical safety system (vertical lifeline) meets the new ANSI Z359.16 standard, along with OSHA 1910.140 and 1926.502, when used with the Lad Saf X3 detachable cable sleeve (6160054) and Lad Saf X2 detachable cable sleeve (6160030). The system has been reengineered to simplify and speed up the installation process, weighing less and with up to 72% fewer loose parts than our previous models. Additionally, the top bracket provides 100% tie off capability through its integrated fall arrest rated anchor point rated to 3, 600 lbs This version is ideal for fixed ladders, with mounting brackets that can be used on a variety of fixed ladder styles that may consist of different rung spacings and shapes. Ordering is easy - both top and bottom brackets are sold together as a system in a single SKU. See our technical data sheet ("TDS") for more information, including operating temperature ranges, compatible rung spacings and shapes, weights and dimensions, etc.