MSA Temporary Rope Horizontal Lifeline for 2 Workers - 60 ft.* No tools required! The MSA temporary horizontal lifelines use an integrated locking and tensioning mechanism on the handleeliminating the need for nuts, bolts, and wrenches. This allows for a 75% faster installation compared to traditional cable systems. * The integrated locking mechanism on the rope pull through is designed to be easily locked into place without the need for tools. * The integrated flip up tensioning handle eliminates the need for