Werner Temporary Rope Horizontal Lifeline systems provide a complete HLL system in a convenient backpack. The L120030 30ft 2-Man Rope Horizontal Lifeline is a kernmantle synthetic rope lifeline equipped with rope adjustment, tensioner and snap hook end connection for quick and easy installation. The inline energy absorber ensures consistent safety performance in the event of a fall. Up to 2 users can connect to the provided O-rings with a self-retracting lifeline or shock absorbing lanyard. Lifeline tension can be achieved with the included rope adjuster.