The ProTec Spreader Snaphook provides a solid central attachment point for positioning. It relieves pressure on the hips and waist when sitting while attached or leaning back from an anchorage at height. Each end of the Spreader Snaphook has an auto-locking snap hook that is rated to 3,600 lbs. Each hook has a gate opening of 3/4 in. which connects with the side positioning D-rings on a climbing harness.