Product details:

Norton offers a line of both synthetic (Crystolon and India) and natural (Hard and Soft Arkansas) abrasive benchstones. Choose one stone or a sequence of stones to quickly restore the cutting edge on all straight edge tools. All oil stones are porous in nature. Oil is required to keep the pores open and working efficiently. Typical applications include restoring the cutting edge on straight edged tools such as chisels, plane blades, wood lathe cutters, draw knives, spoke shaves, knives, and precision tools and delicate instruments.