CURT trailer balls are engineered to the highest quality in consistency, accuracy, fit, and strength. CURT trailer balls have a quality finish and fine threads for holding strength. They all meet the U.S. V-5 specifications and are tested for your safety. Ball diameters available in 1 7/8”, 2”, 2 5/16”, and 3” with capacities anywhere from 2,000 to 30,000 Lbs. CURT offers finishes in Chrome, Stainless Steel, and Raw.