Four Stage Knife Sharpener Plastic Base Multifunctional Fast Knife Sharpener Features: 1.sharpener placed on the platform, holding a stable non-slip handle, and other handheld knife. Decided to use one or two steps according to the degree of tool blunt 2. coarse grinding: used to repair badly damaged blade, suitable for a blunt tool. Knife into diamond grinding mouth, proper and uniform intensity of back and forth, pulling the tools observed tools circumstances, use this step 3-5 times. Tool grinding sharp six months before general use the kibble once, also according to the specific circumstances. 3. finely ground: This is a necessary step to clear burrs on the knife-, the tools is polished smooth, bright. Use, please refer to the steps. Under normal circumstances, it is recommended that once a week or daily use to keep your blade sharp. 4.wipe with a damp cloth or rinse with water, then wipe dry. 5.Stainless steel with EVA non-slip base to ensure sharpener security Product Description: Product size: 27x7x4.7cm Product weight: 278g You can get:1 x Household Sharpener Stone