REESE Towpower standard 1-7/8 In. chrome hitch ball is designed to be used with standard ball mounts, but can also be used with the REESE InterLock ball mounts. The brilliant chrome finish improves the appearance of the tow vehicle. Chrome finish2-5/16 inch ball diameter1-1/4 inch Shank lengthMeets or exceeds the safety requirements of SAE J-684Includes lock washer and nut