14K Straight Square Shank Hallmark Stamps-2 Sizes Select Size:0.80mm Because the brass head is

Because the brass head is softer than steel

Thermometer rated 50°F–400°F ensures accurate temperature monitoring during vulcanization

a reliable field demonstration of ultrasonic power — this unit outperformed comparable units in the Otto Frei lineup and surpassed less powerful models from other manufacturers

gradually tapered to the point

Ideal for final honing and polishing of gravers

14K Straight Square Shank Hallmark Stamps-2 Sizes Select Size:0.80mm Because the brass head isThese 14K hallmark stamps feature a straight square shank design precision cut from heat treated tool steel. Straight stamps are intended for marking flat items. If you want to mark the inside of rings, use Bent Stamps instead. Note that the measurement refers to the height of the impression, not the width. Made in the USA. Features 14K hallmark impression for gold marking applications Straight square shank design for use on flat items Precision cut