General Tools 21 Round Sheet Metal Gage, 3-1/4" Dia, 3/32", Steel, Satin

Product Features

• This sheet metal gage is designed to accurately determine the thickness of uncoated sheet metal, plate iron and steel
• Gage numbers are US Standard 0 to 36, based on weights in ounces per square inch
• Decimal equivalents of each size are stamped on the reverse side of the sheet metal gage
• This standard sheet metal gage is 3-1/4" in diameter and 3/32" thick
• Featuring a satin finished, this sheet metal gage is made from hardened and tempered heavy gage steel