Smith's DBSF Diamond Bench Stone (Fine) ONE-sided sharpening stone; Offered in two grits: COARSE or FINE For a diamond stone to SET your edge - choose COARSE (Yellow-325 Grit) For a diamond stone to FINISH your edge - choose FINE (Orange-750 Grit) Molded plastic base with non-slip rubber feet for safety; Clear, plastic lid to protect the stone Micro-tool sharpening pad for small tools