Thank you for viewing. I am listing this on Mercari as I don't think I will have the opportunity to use it in the future due to warehouse reorganization. Product Features and Basic Specifications: This product was developed as a medium-grit whetstone for all types of blades. It is made with special abrasive materials, so the quality is permanent. It quickly creates a sharp edge that enhances sharpness and improves work efficiency. Uses: For stainless steel blades, forged blades, and professional kitchen knives. Grit: #700 (for medium sharpening) Dimensions (mm): 220 x 80 x 70 Polishing Targets: Stainless steel blades, forged blades, and professional kitchen knives. *Please consider the outer film box as a protective material only, as it may have deteriorated over time. *To keep the listing price down, the packaging will be compact, so please understand.