CURT 80310 16 Foot Trailer Safety Transport Tie Down Load Binder Chain, 3 8 Inch Clevis Hooks, 26,400 lbs. Break Strength hitches Features two welded trailer balls harness Features two welded trailer balls on a solid shank Allows for quick switching between trailer ball sizes Mounts on trailer hitches with a 2" x 2" receiver tube opening Fits 2" or 2 5 16" couplers Permanently attached trailer balls cannot be loosened or stolen Shank constructed from solid steel for optimum strength Shank protected by a durable powder coat finish Trailer balls feature a polished chrome plated finish Limited lifetime warranty (one year finish Inverter Fuse & Block Grade 70 rating for superior tensile strength and abrasion resistance Assembled with two clevis grab hooks for secure attachment Protected by a durable yellow zinc plated finish Limited lifetime warranty (one year finish CURT has a few different options when it comes to securing your trailer