14K Bent Square Shank Hallmark Stamps-3 Sizes Select Size:1.00mm conforming surface contact

conforming surface contact

manufacturing that became an international standard

Improved coil holder with thicker top plate and easier thumbscrew operation

000 RPM Motor Type Ball bearing

engraving blocks

14K Bent Square Shank Hallmark Stamps-3 Sizes Select Size:1.00mm conforming surface contactThese bent square shank 14K hallmark stamps are purpose built for marking precious metals with precision and consistency. Crafted from heat treated tool steel with precision cutting, they produce clean, sunken impressions ideal for karat identification. The bent shank design also known as a gooseneck style allows access to the inside of rings and other curved or hard to reach surfaces where a straight stamp cannot reach. Made in the USA and Germany,