18K Bent Square Shank Hallmark Stamps-3 Sizes Moore The stretcher mandrel is graduated

The stretcher mandrel is graduated and marked in USA ring sizes 3–15

minimizes the risk of lost stones

Built-in ring bending jig with a single flat die for forming ring stock into bands

Curated selection of GRS-recommended engravers in one kit

18K Bent Square Shank Hallmark Stamps-3 Sizes Moore The stretcher mandrel is graduatedThese 18K bent square shank hallmark stamps are precision cut from heat treated tool steel and designed for marking precious metals. The bent shank also known as a gooseneck design allows jewelers to reach the inside of rings and other curved surfaces where a straight stamp cannot make contact. These stamps produce clean, sunken impressions and are manufactured in the USA and Germany. Note: Measurement refers to the height of the impression, not the