GRS 005-965 GraverMach AT White Only Cohler Diamond rough is primarily from

Diamond rough is primarily from South Africa

delivering the density and durability that professional bench jewelers expect

reducing waste and improving placement accuracy

Brand Bergeon Model 4286 Sizing System Metric circumference only Size Range 46 mm – 76 mm circumference Number of Rings 30 Style Wide band

finishing them requires diamond abrasives rather than standard honing wheels

GRS 005-965 GraverMach AT White Only Cohler Diamond rough is primarily fromThe GRS GraverMach AT White is an advanced air engraving system engineered for professional engravers, stone setters, and artisans who demand precise control and maximum power. The brushless DC motor and streamlined internal architecture deliver a substantial increase in power output while maintaining the delicate startup sensitivity required for fine, precision cutting. Precision machined components throughout ensure long term durability and