American Mined™ Oregon Gray Jasper Round Cabochon Casting Equipment This GRS® high-speed steel graver

This GRS® high-speed steel graver kit is specially curated for your stone-setting tasks

1/3hp ball-bearing permanent-magnet DC motor that delivers high torque at all speeds and smooth

Dome radius: 4"

This size fits a 3mm stone

included with our Foredom brushless micromotor systems

American Mined™ Oregon Gray Jasper Round Cabochon Casting Equipment This GRS® high-speed steel graverThis American Mined Oregon jasper cabochon features a banded pattern with gray colors. The pattern varies greatly, making each one unique and ideal for your custom jewelry designs. Jasper is an opaque form of chalcedony. It is most commonly found in red due to iron inclusions, but can also be found in yellow, brown, green and rarely blue. Rio is proud to offer the American Mined Collection, a growing selection of gemstones sourced from mines located