Johnson Level &amp; Tool 400EM 12-Inch English/Metric Metal Combination Square<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cast zinc head</li><li>Computer-machined gauging edges</li><li>Acrylic vial</li><li>Steel blade with permanently stamped graduations</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Y13DXFXZL.jpg" noproxy>