DMT DuoSharp Bench Stone 12" C/F DMT. 13" x 4.63" x 2". 12" two-sided diamond bench stone with interrupted surface. Coarse diamond (45 micron / 325 mesh); Fine diamond (25 micron / 600 mesh). Engineered resin body. DMT Universal base works with all DMT DuoSharp Dia-Sharp and Whetstones. Includes two adapters for use with 11" and 12" stones. Boxed. Package Contents: DMT DuoSharp Bench Stone 12 C/F