The Lansky Combination Sharpening Bench Stone is designed for multi-purpose use for anyone desiring a sharp edge. This handy knife sharpener is made from Aluminum oxide and has two different stone grits on each side. One side of this knife sharpener has a coarse grit for initial sharpening. The opposite side of this bench sharpener features a fine grit ideal for final finishing. The Lansky LCB8FC Combination Bench Stone Sharpener is the perfect all purpose stone for sharpening knives, scissors, tools, blades, or any other bladed tools.