CURT Aluminum Trailer Hitch Ball Mount, Fits 2-Inch Receiver, 8,000 lbs, 1-Inch Hole, 2-In Drop, 1-In Rise Model 45360CURT Aluminum Trailer Hitch Ball Mount, Fits 2 Inch Receiver, 8,000 lbs, 1 Inch Hole, 2 In Drop, 1 In Rise Model 45360 This CURT class 3 aluminum trailer hitch ball mount features a 2 inch x 2 inch shank and an 8K capacity for towing larger trailers, including utility trailers, boat trailers, campers and more. 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