STER (Sterling) Bent Square Shank Hallmark Stamps-3 Sizes Select Size:0.60mm Thumler's Tumbler 114 Double Rotary

Thumler's Tumbler 114 Double Rotary Tumbler (Otto Frei item 147

0mm) 4B-954 Platinum 2

0mm) 41-945 14K White 10×10mm 41-946 14K White 12×12mm 41-947 14K White

Not recommended for final polish on broad

Part # Type 143

STER (Sterling) Bent Square Shank Hallmark Stamps-3 Sizes Select Size:0.60mm Thumler's Tumbler 114 Double RotaryThese bent square shank STER hallmark stamps are made of precision cut, heat treated tool steel and are used for marking silver alloys that are no less than 0. 925% fine silver by weight. Each stamp imprints the letters STER, an abbreviation for Sterling Silver. The bent shank design also known as a gooseneck stamp allows for marking the inside of rings and other recessed areas that straight stamps cannot reach. These stamps produce clean, sunken