A commercial sharpener module for 20 degree class knives, designed to meet the needs of the commercial kitchen Fast—uses diamond abrasives for hairsplitting sharpness, in seconds Slides off easily for cleaning in sink or commercial dishwasher Replacement sharpening module for Commercial Electric Knife Sharpener Model 2000 Sharpens straight edge and serrated knives 2-Stages—create double-bevel edges that stay sharp longer Precision angle guides for ease of use and edge control NSF certified