The throwing weight is a rubber padded weight that can be attached easily to any type of hand line. It has just the right shape to throw it up and over those inaccessible locations. The lead center captivates a wire eye and is enclosed in a 3/4″ wall of foam rubber. 3″ diameter x 5 3/4″ tall. The 2mm rope has a 850 lb. tensile strength. Weight: 1lb.