Brand: WKMFeatures: The coarse 150 grit lighter side is for final honing or touchups and the fine 240 grit dark side is for basic sharpening, removing nicks Ideal size for bench work Measures 6" x 2" x 1" Intended for sharpening all types of tools and knives, Razers This stone uses oil as a lubricant. Immerse the stone for 1 minute to fill it and apply oil on the surface occasionally during use to flush away abraded material Best Price, Best Quality, Fast & Free Delivery Part Number: KTN380Package Dimensions: 5.9 x 1.2 x 0.8 inches