DMT Duo Sharp Stone

DMT DuoSharp is a superior two grit diamond sharpening system. Fast - Real diamond, hardest material known, reduces sharpening time.  Unique pattern speeds sharpening. Clean and easy - Use water only.  Non-porus surface resists loading and wipes clean.  Light pressure produces keen edge with few strokes. Durable - Tough monocrystaline diamond resists wear and lasts for years. Precision flat - starts flat and stays flat, never hollows or grooves. Double sided with two grits.  Available in three combinations: Blue - Coarse (325 grit) and extra coarse (220 grit)   Red - Fine (600 grit) and Coarse (325 grit)   Green - Extra fine (1200 grit) and fine (600 grit)   10" X 3.5" X 3/8"