Interchangeable Hitch Ball w/ 1 Shank - 1-7/8, 2, 2-5/16 BallsDesigned to accommodate towing multiple trailers with ease, Tow Ready Interchangeable Hitch Ball System allows you to change hitch ball sizes in seconds without any tools.Innovative quick release changes balls in secondsRated capacities up to 8,000 lbs.Durable heat treated shankNew positive latch designNo special tools requiredWARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.