DMT 6 Inch Diamond Whetstone Extra Fine W6E: * Comes in a hardwood case with mounting capability * Extra fine diamond is to polish and refine a razor edge after sharpening with a coarser diamond (not included) * Sharpens knives faster * Sharpen dry or with water; no messy oils needed * Durable construction will provide years of consistent performance * Includes non-skid rubber feet * Made in the USA