Johnson Level &amp; Tool  420EM-S Heavy Duty Professional Inch/Metric Stainless Steel Combination Square， 16"<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Heavy duty cast zinc head with black， chip-resistant e-coating finish</li><li>Auto-lock blade assembly</li><li>Stainless steel blade with permanently etched graduations 1/8"， 1/16"， 1/32"， mm</li><li>Hardened， screw-in scriber won't fall out</li><li>Durable acrylic level vial</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31PWrK8NVzL.jpg" noproxy>