GROSCHE Sharp-Eze Ceramic Wheel Kitchen Knife Sharpener Ceramic Wheel Knife Sharpener Fine-tunes the sarps edge of your knives Works on all knives except cermaic and coated knives Simply cycle your knife back and forth through the opening with the ceramic sharpening wheel until your knife reaches it's ideal sharpness The Purchase of this product will create 5 days of safe drinking water for someone in need through the GROSCHE SAFE WATER PROJECT - For more information, please visit the manufacturer's website at www.grosche.ca/safewater