Erickson 34423 Pro Series 2" x 5.5' Bolt-On Retractable Ratcheting Tie-Down Strap, (Pack of 2) Re-tractable ratcheting system is simple and smart Bolt on capability - mounts directly to trailers and boat trailers for permanent mounting Heavy vinyl coated hooks prevent scratching 2 inches wide by 5.5 feet long black webbed 4000 pounds load capacity and 1333 pounds WLL (Working Load Limit)