CURT Class 1 Trailer Hitch Ball Mount, Fits 1-1/4-Inch Receiver, 2,000 lbs, 3/4-Inch Hole, 5-Inch Rise Model 45024CURT Class 1 Trailer Hitch Ball Mount, Fits 1 1 4 Inch Receiver, 2,000 lbs, 3 4 Inch Hole, 5 Inch Rise Model 45024 CURT class 1 ball mounts are designed for a variety of lightweight towing applications. For basic utility trailers, canoe haulers and other light duty trailers, a class 1 ball mount gets the job done. CURT class 1 ball mounts are designed to complement our class 1 trailer hitches and come in several different styles, offering a range of