FallTech Manual Rope Grab w/ Attached Shock Lanyard - 3 ft.* The FallTech Manual Rope Grab is user activated for movement a placement while using a vertical lifeline. This is a good system if you'd like to set your rope grab once and forget about it. Adjust the rope grab to your liking, and there it stays like a well trained dog. * If a fall should a occur this will lock onto the lifeline and arrest the fall. * This rope grab is designed for 5 8" rope vertical lifelines. * The FallTech Manual Rope Grab