The #21 Sheet Metal Gage is ideal for gaging uncoated sheet metal, plate iron and steel.
- Made of satin finished, heavy gage hardened and tempered steel
- Decimal equivalents of sizes are stamped on back
- Range: American Standard wire gages 0 to 36
- 3-1/4 in. diameter x 3/32 in. thick
Item Code: HT-21 #21 U.S. Standard Sheet Metal Gauge
