Features: 1.Perfect Fit: This trailer coupler is designed to fit on a 2in wide trailer tongue beam, and comes with a 2in diameter hitch ball to fit your needs. 2.Easy Adjustment: This tow hitch coupler features a detent lock spring, and adjustable nut inside, for easy adjustment to ensure a snug fit with the tow ball. 3.High Strength Material: With load capacity of 3500lbs, the galvanized iron material is wear resistant, hard, rust proof, deformation proof and has long service life. 4.Safety Pin: Package includes a safety pin as an additional way for securing the ball clamp in a locked position, and a safety chain to prevent loss of the safety pin. 5.Easy Operation: The quick release assembly allows for fast and safe locking and unlocking of the ball clamp for convenient hook up and disconnect. Specification: Item Type: Trailer Coupler Material: Galvanized Iron Ball Joint Size: Approx. 2in/5.08cm Rear Slot Channel: Approx. 2in/5.08cm square tube Load Capacity: Approx. 3500lbs/2260kg Application: Suitable for RVs, trailers, tractors