Description:1000/6000 2 Side Grit Sharper Pebble Premium Whetstone Knife Sharpening Stone And NonSlip Bamboo Base SetSpecification:Product NameWhetstone Knife Sharpener Color Blue/WhiteMaterial White corundumDimensions7.25 x 2.25 x 1 inchesGrit240/800, 240/1000, 400/1000, 600/1500, 1000/3000, 1000..