The Lansky Dual Grit Combo Stone offers the convenience of two grits in one stone and is great for sharpening: Pocket knives, hunting and fishing knives, utility knife blades, cutting tools for gardening, woodworking, and industrial cutting tool edge maintenance. Features: * Coarse side (dark gray): 100-grit * Medium side (light gray): 240-grit * Measures 2-in. x 6-in. What"s In The Box: * Lansky LCB6FC 2-In. X 6-In. ComboStone - Medium/Coarse