A Series Shackle - 1in.

Made from 1/2in. diameter galvanized steel and 3/8in. threaded pin. The 1-1/8in. plastic PVC insert helps distribute load over entire ropehold area for maximum performance and longevity. Safe working load limit: 5000lbs. (use of this product with anything other than Polyform buoys in a mooring situation is not recommended)