CURT Tow Hook Trailer Hitch Ball Mount, Fits 2-Inch Receiver, 10K Model 45825CURT Tow Hook Trailer Hitch Ball Mount, Fits 2 Inch Receiver, 10K Model 45825 CURT specialty ball mounts are a group of exceptional towing products, built to succeed where others fear to tread. From the back roads of overrun forests to the muddy fields of small town farms, towing looks a little different, and that means different demands on your towing equipment. CURT offers a full lineup of unique ball mounts that are made to tackle the rougher side