Specifications:Seal grinding knife, kitchen knife, fruit knife for cutting: 1000 mesh - 3000 mesh.This coarse grinding and fine grinding: 240 mesh mesh.Metal products: rough grinding with 600 eyes, fine grinding with more than 800 eyes.Glass: 400 mesh to not cut, 800 mesh -3000 mesh smooth.In addition to skin with 260 mesh stone recommended.Type: WhetstoneMaterial: EmeryGrit Size: 800, 80, 320, 400, 600, 240, 2000, 1500, 1200, 10003000Use for: Grinding Stone, Jade, Seal Carving Knife, Wood Crafts, Metal Grinder Workpiece, etc.Size: 17cm x 7.5cm/6.69" x 2.95" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Whetstone