Diamond Twist Drills. With natural diamond dust for cleaning out holes in pearls, coral, turquoise and other precious stones. Shanks Ø 2.35mm (3/32"). One each 0.8 & 1.2 mm (2/64” & 3/64”)
Proxxon diamond twist drills 3/32-Inch (2.35mm) shanks, made with natural diamond dust for cleaning out holes in pears, coral, turquoise, and other precious stones.