Highly versatile and tested tough, the heavy-duty Reese Towpower Class III Adjustable Ball Mount has a drop range of 3 to 7-1/2 and a rise range of 1-3/4 to 6-1/4. Also features a tongue-weight capacity of up to 500 lbs. and a gross towing-weight capacity of up to 5,000 lbs. Weather-resistant finish. Includes a quick-release pin and clip. Fits 2 receiver openings and 1 hitch ball shanks. Length: 13.5. Tongue-wt. capacity:500 lbs. Gross towing-wt. capacity: 5,000 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.