Large claw hook fits 3/8" through 1/2" chain. Attach a line and use the hook, to relieve tension from your windlass while anchored by snubbing the chain overboard and tying off the line to a cleat or samson post on deck. The length is 5" The width is 1-1/2" Large claw hook fits 3/8" through 1/2" chain. Attach a line and use the hook, to relieve tension from your windlass while anchored by snubbing the chain overboard and tying off the line to a cleat or samson post on deck. The length is 5" The width is 1-1/2"