General Sheet Metal Gauge 21
SHEET METAL & WIRE GAUGES FOR FERROUS GAUGES
- Gaging uncoated sheet metal, plate iron and steel.
- Gauge numbers are U.S. Standard 0 to 36.
- 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.
