General Sheet Metal Gage - 21-GA

o U.S. Standard Sheet Metal Gage with range from 0 to 36. o Works with uncoated sheet metal, plate iron and steel. o Heavy gage hardened and tempered steel with a satin finish. o Gage sizes are stamped on front; decimal equivalents are stamped on back. o 3-1/4" diameter; 3/32" thick.