Amarine-made AISI 316 Stainless Steel Marine Boat Anchor Swivel Connector for 3/8", 1/2" Chain-CD917002 AISI 316 Stainless Steel Marine Boat Anchor Swivel Mirror Polished Working Load: 5500 Lbs Pin For Chain: 3/8" Pin For Anchor: 1/2" Overall Length: 4-1/2"