Super Anchor 20' Horizontal Lifeline System with Hinge-2 Anchors 1323-USThe 30 degree angle fixed length, factory engineered Horizontal Lifeline System is for use by 3 workers in fall restraint or 2 in fall arrest. This system is available in a 20 kit with or without a carry bag. This 3rd party engineered horizontal line kit is a cost effective way to have multiple workers on the roof with room to move freely. Engineering standards specify that a horizontal lifeline without an energy absorbing device subjected to fall