Check the listing for details. CURT 45002 HITCH ACCESSORIES. Condition: New. Listed at 63.89 USD. If you own more than one trailer, you know what a hassle it can be switching back and forth between ball mounts and keeping track of which ball mount fits which coupler. Curt has made things simpler with the multi-tow ball mount. These ball mounts feature two or three trailer balls mounted onto a straight shank to accommodate various coupler sizes and loads. This multi-ball ball mount features a 2 Inch and a 2-5/16 Inch ball. The 2 Inch ball can handle up to 7,500 Pound of gross trailer weight and 750 Pound of tongue weight and the 2-5/16 Inch ball accepts loads up to 10,000 Pound with 1,000 Pound of TW. This multipurpose ball mount also features a hollow shank to accept an anti-rattle kit. All of our multi-use ball mounts come with a gloss black powder coat finish and a 2 Inch x 2 Inch shank.