General Tools 21 Sheet Metal Gage

The Sheet Metal Gage helps you to accurately determine the thickness of uncoated sheet metal, plate iron and steel. The Gage measures U.S. Standard sheet metal sizes from 0 to 36." This heavy duty gage is made from hardened and tempered steel, and is stamped with sheet metal sizes on the front and their decimal equivalents on the back.

• Gage numbers are U.S. Standard 0 to 36
• For gaging uncoated sheet metal, plate iron and steel
• Decimal equivalents of each size are stamped on reverse side
• Satin finished, heavy gage steel is hardened and tempered
• 3-1/4″ diameter, 3/32″ thick