Alumistinger 3505 by Andersen Manufacturing Aluminum Ball Mount， 4" Drop Bar - 1" Shank Hole<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Light weight aluminum construction is 36% stronger than steel</li><li>Polished High Tech Super Alloy Aluminum</li><li>Lighest and strongest ball mount on the market. 8，000 lb. Gross Trailer Weight with maximum 800 lb. tongue weight</li><li>Fits a standard 2" receiver</li><li>No cracked paint - No rust - Forever!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31XaFT2%2B4WL.jpg" noproxy>