18K Bent Square Shank Hallmark Stamps-3 Sizes Select Size:0.80mm Suited for hard and demanding

Suited for hard and demanding metals including 18k white gold and platinum spring alloys

they are generally not as durable as USA-made HSS burs

This mode is available exclusively on the PUK 6

The package includes motor

6 mm wide precision sizing rings

18K Bent Square Shank Hallmark Stamps-3 Sizes Select Size:0.80mm Suited for hard and demandingThese 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