Perfect for towing items that require a pin-style hitch attachment. Installs onto your existing ball mount receiver. Allows use of a pin-style hitch attachment without interfering with existing ball mount. Side tabs prevent hitch from twisting. For ATV and UTV use only. Fits: 1″ inch and 3/4″ inch ball shank diameter (with included adapter ring) Fits: Most ball mounts up to 2 5/8″ wide.