Keep your fine cutlery razor-sharp at all times with Chef's Choice precision sharpeners. The model 1520 is one of the most versatile knife sharpeners available. Actually restore and recreate a 15 degree angle on your Asian knives and a 20 degree angle on your American and European knives. Three stage process uses 100% diamond abrasives and patented flexible stropping discs for incredible sharpness and durability. Highly precise guides automatically position the knife so there is no guesswork involved in the sharpening process. Designed to sharpen both straight edge and serrated knives. Easy-to-use process sharpens full blade edge from tip to bolster. Recommended for kitchen cutlery, household knives, sporting knives, pocket knives and Asian-style knives, including santoku. Model number: M1520 ; Dimensions: 9.75w x 4h x 4d. Weight: 4.0 lbs. Assembled in the U.S.A.