CURT Class 2 Trailer Hitch Ball Mount, Fits 1-1/4-Inch Receiver, 3,500 lbs, 3/4-Inch Hole, 3-7/8-Inch Rise Model 45000CURT Class 2 Trailer Hitch Ball Mount, Fits 1 1 4 Inch Receiver, 3,500 lbs, 3 4 Inch Hole, 3 7 8 Inch Rise Model 45000 CURT class 2 ball mounts are designed to be fast, easy and reliable for your light duty or standard duty towing needs. We produce our class 2 ball mounts using state of the art CNC machinery and robotic welding. This provides the accuracy and consistency in our ball mounts that we pride ourselves on and ensures that you receive the