Carborundum Sharpening Stone ( Small #6 / Large #8 ) * Used to sharpen the edges of steel tools and implements through grinding and honing For sharpening of scissors, knives, razors, chisels, scrapers, and blades Used to sharpen the edges of steel tools and implements through grinding and honing For sharpening of scissors, knives, razors, chisels, scrapers, and blades