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. Dimensions: 2 inches x 8 inches.