Keep your fine cutlery razor-sharp at all times with Chef's Choice precision sharpeners. The model 320 makes knife sharpening quick and easy with its two-stage process. 100% diamond coated conical sharpening disks in stage one. Revolutionary stropping/polishing disks in stage two. Stage one performs pre-sharpening and sharpening in one process. Stage two strops and polishes the blade to an unprecedented sharpness. Sharpens full blade edge from tip to bolster. Designed to sharpen both straight edge and serrated knives. Recommended for kitchen cutlery, household knives, sporting and pocket knives. Model number: M320 ; Watts: 120. Dimensions: 8w x 4.25h x 4.25d. Assembled in the U.S.A. Weight: 3.8 lbs.