Professional Diamond sharpener 8” X 3” Double-Sided Stone 1000 grit fine surface has continual diamond surface for smooth precise honing for all carving & cabinet making tools. 400 grit coarse surface has unique clearance channels which assist in the dispersion of lubricants & residue from the tool & increases the speed of cut Suitable for re-shaping, general joinery & heavy duty work Ideal for carbide tooling, woodturning inserts & carbide tips Supplied with fabric tool holder, cleaning block and non-slip mat UNIQUE CLEARANCE CHANNEL: On coarse side to produce faster, cleaner cut PRECISION FLATNESS: Use with no pressure DIAMOND GRADES: Marked on stone; Extra fine grit of 1000; Coarse grit of 400