10" DMT "DUOSHARP" DIAMOND STONEThe DuoSharp Bench Stone by DMT is an innovative, precision flat, two diamond surfaced sharpener guaranteed to provide consistent, even sharpening every time. This sharpens faster than conventional stones with DMTs micronized monocrystalline diamond surface. While offering a generous 10 sharpening surface, it was also engineered to be rugged, lightweight and compact, making it the ideal bench stone for in the studio or on the go. No oil needed sharpen