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 seconds Rated capacities up to 8,000 lbs. Durable heat treated shank New positive latch design No special tools required WARNING: 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.