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 of towing while still being able to fit a standard 2" x 2" receiver tube. This dual-function ball mount converts your standard trailer hitch receiver into a multipurpose towing accessory. It not only provides a trailer ball platform for towing a trailer but also has an extra receiver tube to accept the shank of a bike rack, cargo carrier or other hitch-mounted accessory. The ball mount tongue has a 1" hole to accept a trailer ball, and it offers a gross trailer weight capacity of 7,500 lbs. and a tongue weight rating