Ninja NeverDull knife block set, model K12010. This set includes a storage block with a built-in NeverDull sharpening system and a selection of black-handled stainless steel knives (chef's knife, santoku, utility, paring, and steak knives). The block features the NeverDull sharpening slot with lever-action sharpening and a stone that can be replaced. Serial number located on the underside base label. Preowned with cosmetic wear on the knives including staining, scratches, and light surface discoloration/rust on a few blades. The block and sharpener are in good working order. Knives can be brought back to a sharp edge using the built-in sharpener. See all photos for exact condition. Please note number of knives shown in photos.