Reese Towpower 7063300 5" Drop Class V Interlock Ball Mount<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Interlock wrench tightening system</li><li>Fits 2-1/2 inch by 2-1/2 inch box opening</li><li>10 inches long with a 1-1/4 inch hitch ball hole</li><li>5 inch drop and 3-1/2 inch rise</li><li>1300 pound tongue weight / 13，000 pound gross trailer weight</li></ul></div><img src="http://ecx.images-amazon.com/images/I/419n5fQB5BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JLB4Zyz2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41i2mLtS15L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31xlAnm-i%2BL.jpg" noproxy>