12K Bent Square Shank Hallmark Stamp-1/32" (0.75mm) Impression Height Glendo GRS Air pressure is supplied via

Air pressure is supplied via the on-board hand pump

1 extra set of flat nylon jaws

and finish as desired

Crafted from properly hardened and polished English steel

and goldsmiths working with gold

12K Bent Square Shank Hallmark Stamp-1/32" (0.75mm) Impression Height Glendo GRS Air pressure is supplied viaThis bent square shank 12K hallmark stamp is precision cut from heat treated tool steel and designed for marking precious metals. The bent shank design also known as a gooseneck stamp allows access to curved or recessed surfaces, making it well suited for hallmarking the inside of rings and other hard to reach areas. The stamp produces a clean, sunken impression of the 12K mark directly into precious metal. Features Bent square shank (gooseneck)