The CURT 2-inch trailer ball is constructed with precision, finished for longevity and tested for maximum confidence in your towing setup. This tow ball is rated for 7,500 pounds gross trailer weight. It has a 2-inch diameter ball to couple to a 2-inch trailer coupler. The stem of this hitch ball is 1 inch in diameter and 2-1/8 inches long. It provides an excellent complement to most class 3 and class 4 hitches. The shank is constructed with fine threads for enhanced torqueing and holding strength. This 2-inch trailer hitch ball is made from high-strength steel and covered in a chrome finish for corrosion resistance. It is also thoroughly tested according to VESC specifications for safety.