Knife Sharpener by Hard Crafts, 3-Stage Sharpening System, Sharpens Ceramic & Steel, Safety Conscious Handle, Black 1. SAFE HANDLING -ABS plastic handle with anti-slippery rubberized coating, offers you a firm grip, and the ergonomic design suits your palm pretty well. 2. EASY TO USE- Simply draw the knife through each slot a few times to achieve a razor-sharp edge. Stage 1-begins the sharpening process with coarse-grinding which suit to dull knives. Stage 2-continues sharpening with plating rod sharpening, it's for ceramic knives. Stage 3-completes the process with an extra-fine grit, it's a necessary step to eliminate the burrs on the knife and polish it, razor-sharp edge 3. WELL DESIGNED- The Hard Crafts knife sharpener gives your blades an enviable razor-sharp edge thanks to the 3-stage knife sharpening system, which features ceramic, coarse, and fine sharpening rods. 4. QUICK TO SHARP- All you need is just 3-4 pulls through our kitchen knife sharpener and your blade will be cutting like it is brand new. 5. 100% "LIFETIME WORRY-FREE WARRANTY ": If you have received any defective products from Hard Crafts, please don't not hesitate to contact us. If you are not happy, we guarantee you of giving a full refund. Your satisfaction is always what we pursuit.