The highest grade Chemical grinding stone suitable for Professional use. Application: Carbon Steel/Stainless Steel Knives, Scissors, Razors, Shears, Sickle, variety of Cutlery. It is a grindstone with excellent grinding power. Grid: #8000, For Ultra Fine Finishing. This Chemical Fine stone is made evenly and will not change its condition by the fresh air. "Experience, Reliability, Innovation. We never sit still. We are constantly developing bold new products and upgrading the old favorites." Naniwa abrasive Mfg is a Japanese manufacturer of sharpening stones for industrial and home use, diamond tools for processing stone and other materials, sandblasting systems for stone engraving, and a full range of products related to abrasion, with over 60 years of experience, dedication, and innovation. One can almost sense the blade becoming sharper as one works. When we say, "cutting-edge technology," we mean it literally! Thanks to our constant efforts to bring quality and service to ever-higher levels, when it comes to anything related to abrasion we can offer the best advice and most advanced easy-to-use products to the professional or home user. Our unwavering high levels of product quality and service are highly praised by customers in Japan and around the world. We produce the whetstones matching the needs for the grinding of every knife - from the blade to the carpenter tools such as a plane, the chisel, the professional chef's knife, kitchen knife, fish-slicing knife, the butcher knife, home stainless steel kitchen knife and knife for farm use or forestry use. With these various abrasives, we satisfy the needs of the customers, and various manufacturing methods based on a positive technique and abundant experience guarantee the quality of the products. Can't sharpen knives at all? Knives not sharp enough as you wanted? - we have the solutions.