CURT 45001 Multi-Ball Mount<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Features three welded trailer balls on a hollow shank</li><li>Allows for quick switching between trailer ball sizes</li><li>Mounts on trailer hitches with a 2" x 2" receiver tube opening</li><li>Fits 1 7/8"， 2" or 2 5/16" couplers</li><li>Permanently attached trailer balls cannot be loosened or stolen</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31aimk0xPnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31b9lPmD1RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31muqQtRjIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31wboMn2TXL.jpg" noproxy>