BoatBuckle G2 Retractable Transom Tie-Down, 1 Pair Retractable transom tie-down system for boats; stainless steel for brackish or saltwater environments Each buckle has 1,500-pound breaking strength and 500 pounds safe working load Buckle automatically retracts to hold the boat snug to the trailer Permanent one-bolt installation; 2-inch seat belt quality polyester web Self-ratcheting; simple, one-hand operation