Curt Class 3 or standard-duty, ball mounts are a step up from Classes 1 and 2. They feature a 2 x 2 in shank and have a higher weight capacity for towing heavy-duty trailers, including utility trailers, boat trailers, campers, single-horse livestock trailers and most recreational vehicle trailers. With Class 3 trailer hitches being the most common type of trailer hitch for pickup trucks and SUVs, the Class 3 ball mount, by association, is an excellent complement to this trailer hitch and these larger vehicles. This particular Class 3 ball mount can be used in the drop position to provide a drop of 6 in, a gross trailer weight capacity of 7,500 lb and a tongue weight capacity of 750 lb. It can also be flipped to provide a rise of 4 in, a gross trailer weight capacity of 6,000 lb and a tongue weight capacity of 600 lb It features a length of 12-1/4 in. Class 3 ball mounts are CNC-formed and robotically welded to ensure unwavering precision and dependable strength in each and every unit. We mechanically descale each one to provide a smooth surface for a long-lasting finish. This Class 3 ball mount comes with a durable gloss black powder coat finish to protect against corrosion, scratches, UV damage and more to give it the thick skin it needs to face the road ahead.