For gaging non-ferrous wire and metal such as copper, brass, etc.
For gaging uncoated sheet, plate iron and steel.
American Standard.
U.S. Standard.
Hardened steel.
Product Description
Model PEC-5058 - For gaging uncoated sheet, plate iron and steel. Heavy gage hardened and tempered tool steel. 3 1/4" diameter; 1/8" thick. Front face shows the gage sizes. The back shows decimal equivalents adjacent to each slot.