The Hillman Group 260033 3/8-Inch x 2 1/2-Inch Plow Bolts， 50-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>They have a countersunk， square neck to help prevent the bolt from turning when the nut is adjusted</li><li>Hardened steel</li><li>Black finish</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21RLgbc7IoL.jpg" noproxy>