The most advanced three-stage commercial knife sharpener on the market today, the Chef's Choice 2100 is ideally suited for avid chefs who do a high volume of sharpening and are looking for commercial-grade speed, quality and durability. In just seconds, this electric sharpener produces a patented triple-bevel, razor-sharp edge on all Western-style knives including kitchen knives, cleavers, pocket and sporting knives. Add the Eastern module (sold separately) to sharpen Asian knives with a 15-degree blade angle. Sharpens all straight-edge and serrated knives. NSF-certified for use in commercial kitchens. Stages 1 and 2 use 100% diamond abrasive disks for coarse and medium sharpening. Stage 3 uses ultra-fine stropping disks to create a razor-sharp, arched-shape edge that stays sharp up to three times longer. Includes Western sharpening module (for 20-degree blade angles); Eastern module sold separately. Sharpening modules slide off for easy washing. Replacement Western and Eastern modules are available. Durable metal casing.