STER (Sterling) Straight Square Shank Hallmark Stamps-2 Sizes

Description

These straight square shank STER hallmark stamps are made of precision cut heat-treated tool steel. Use them for marking silver sheet that is no less than 0.925% silver. These stamps imprints the letters STER, an abbreviation for Sterling Silver. Straight stamps are used for marking flat items.   Stamps are made in the USA.  

Choose from 2 sizes:

• 155.311  1.00mm
• 155.313  0.60mm 

California Prop 65