CURT Class 2 ball mounts are designed to be fast, easy and reliable for your light-duty or standard-duty towing needs. All are made with 1 1/4" x 1 1/4" shanks and have a 3/4" trailer ball hole. Excellent choice for full-size sedans, minivans, crossover SUVs and other vehicles that commonly use a Class 2 trailer hitch. They are ideal for towing small boat trailers and utility trailers, popup campers and some recreational vehicle trailers such as those used to haul dirt bikes, motorcycles and ATVs (NOTE: Never exceed the lowest weight capacity of any towing component; i.e. the vehicle, hitch, trailer, etc).Gross trailer weight capacity is 3, 500 lbs. - tongue weight capacity is 350 lbs. It measures 6 3/4" long, has a rise of 3/8" and a drop of 1 1/4". 3/4"" rise or 1 1/4"" drop for precise trailer leveling Made in USA | Curt Ball Mount, 3/8" rise and 1 1/4" drop