INDUSTRIAL ROPE GRAB For Vertical Lifelines. Stainless steel fall arrest device especially designed for vertical applications on kernmantle rope. Unlike other cam-type grabs, these grabs slip before causing rope failure. Rope Grab clutching effect begins at 1,000 lbf on 1/2" BlueWater rescue ropes. For this reason, use ONLY on the correct diameter rope. These grabs have the 2" diameter rigging hole to prevent rollout of attaching snaps. The Lanyard model comes with a permanently attached 2' lanyard equipped with a double locking snap hook. Maximum Lanyard Length: 2 feet. Manufactured in the U.S.A. Weight 1.5 lbs. WARNING: Insure that the marked capacity of the rope grab equals the size lifeline used. Exceeds all OSHA, NFPA, CSA, and ANSI strength standards for rope grabs and ascenders