TAIDEA 1000/3000 Grit Combination Corundum Whetstone Knife Sharpening Stone/Double-Sided Premium grade corundum ensures effective sharpening results, suitable for most kinds of knives Double sided sharpening:1000/3000 grits Dimension: 7" x 2.4" x 1.1" (180mm x 60mm x 27mm Manufactured in China High-grade whetstone ensure effective sharpening results, save your sharpening time