Product Name:Two Stages Kitchen Knife Sharpener Model Number: T1001TCApplicable Scope:Widely used for the kitchen knives, fruit knives, chef knives etc Using Instruction 1.Place the knife sharpener on a stable surface when using. Complete one or both of the following steps depending on how blunt the blades is. Step 1: Tungsten Carbide (1). Use this only if your knife is very blunt. Use slight downward pressure, running the blade from its heel to its point through the slot. Repeat three times. Once about six months or your knife required. Step 2: Ceramic (2). 2.Always finish off with this step to remove any burrs that result from the re-edging and rough honing process. Without using pressure, run the blade through the ceramic rods five times. You can also use this step on its own to maintain a sharp blade. It is recommended to do it approximately once a week. After using the knife sharpener, carefully wipe the knife blade with a damp cloth or rinse under running water and dry thoroughly