Double-Sided Diamond Whetstone Knife Sharpener - Extra Fine 600 & Very Fine 1200 Grit - Perfect for Ceramic Knives Premium-quality knife, scissors and tool sharpening accessory in hard-to-find super-fine grits. Perfect for ceramic and fine stainless steel blades where ultimate in cutting performance is desired. Double-sided stainless steel plate with embedded industrial diamond particles - hardest abrasive material available. Large plate of size 6" length x 2-1/2" width lets you sharpen more blade area faster. One side has 600 grit abrasive for removing nicks and imperfections, rebuilding blade edge. Flip plate over to 1200-grit side for honing and removing micro-burrs. Takes high-quality blades back to factory sharpness with razor-sharp edge. ABS base has non-slip silicone pads to hold in place, keeping both hands free. For best results, use with water or honing oil. Plate cover keeps surface clean and ready for next project.