Whether you need to reset the edge of your favorite knife or simply add a little extra sharpness this handy Wusthof keychain pocket sharpener can handle the task. The sharpener features 2 slots. Give a dull knife a few pulls through the carbide slot to set the edge and finish it in the ceramic slot. Do your knives simply need a little honing Skip the carbide slot and pull through the ceramic slot to bring your blade back to it's factory sharpness. Product Features 2 slots - a coarse carbide slot and a fine ceramic slot Non-slip bottom allows you to hold the item securely on the countertop while sharpening Wusthof logo printed on the front Labeled on front and back perfect for left or right handers