Red Hound Auto 2 Qty - Shackle 5/16" 8mm Black Galvanized D Ring Marine Anchor Bow Screw Pin 1/2 Ton New (2) Black Galvanized Shackles with Screw Pin Size/Dimensions: 5/16" thick, 0.5 ton WLL Connects loose ends of cables, chains, straps and snatch blocks Threaded pin for easy removal Durable, ready to handle tough environments