Discount! Made in Japan Artificial Coarse Grinding Stone GC for Coarse Sharpening, with Box, Artificial Whetstone Dimensions: Length 235mm, Width 93mm, Thickness 47mm Manufacturing Method: Vitrified Grit: Coarse (220#) Abrasive: GC This is a stock item received from a well-known manufacturer. Despite the rising cost of GC abrasive, this whetstone is a great value for its size. It has high abrasive power and can quickly repair chipped blades. Please try it out! Available for immediate purchase.