General Tools 21 US Standard Sheet Metal Round Gage
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<b>[Product Information]</b><br>
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<li>This sheet metal gage is designed to accurately determine the thickness of uncoated sheet metal, plate iron and steel</li>
<li>Gage numbers are US Standard 0 to 36, based on weights in ounces per square inch</li>
<li>Decimal equivalents of each size are stamped on the reverse side of the sheet metal gage</li>
<li>This standard sheet metal gage  is 3-1/4" in diameter and 3/32" thick</li>
<li>Featuring a satin finished, this sheet metal gage is made from hardened and tempered heavy gage steel</li>
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