This is a finishing stone for household knives from Suehiro, a renowned whetstone manufacturer in Niigata. It can easily sharpen knives made of steel and stainless steel. Detailed instructions on how to sharpen are included on the backing card, so you can use it immediately after purchase. It has a dual structure of a medium grit stone and a finishing stone for knives. Size: 180 x 62 x 23mm, with a rubber base. Retail price: 5800 yen. Brand new, unused. We do not offer discounts as we want you to purchase without worrying about price fluctuations through negotiation. Also, we decline all price negotiations without comments.