Description:A set of high-quality sharpening stone suitable for a variety of applications. Suitable for sharpening knives, blades, scissors, shears, airplanes, etc. Contains 180, 260 and 360 grain. This makes the set suitable for all blade conditions. On already quite sharp blades, use a fine one to really bring it to the highest state, on blades work your way, starting with coarse, working your way to good. Good for woodworking tools, sports, tools, kitchen knives and moreSpecifications:Material: DiamondColor: Red+Yellow+BlueSize: 90x2 6mm/3.54x1.02"Quantity: 3 Pcs/1 SetNote:Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 3 x Sharpening Stone