CURT class 3 or standard-duty ball mounts are a step up from classes 1 and 2. They feature a 2 x 2 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 (NOTE: Never exceed the lowest weight capacity of any towing component; i.e. the vehicle hitch trailer etc).This particular class 3 ball mount has a gross trailer weight capacity of 7 500 lbs. and a tongue weight capacity of 750 lbs. It features a length of 13 a drop of 4 and a possible rise of 2 . 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.