BRAVIT Edge Grip 2 Stage Knife Sharpening System for and Kind of Knife Such As Ceramic Knife or Stainless Steel Knives %100 Satisfaction Guaranteed! If you are not happy with out product, contact us and we will give your refund with no question. Efficient! Our 2 stage Knife Sharpener will make any of your knives sharper from stainless steel knife to ceramic knife. Very easy to use! There is a suction base so that while you are using our sharpener, you don't need to be afraid of what if sharpener moves! Not only your knives. You can also sharpen your garden tools such as scissors and other sharp products 2 Stage Sharpening! It means in the first stage, it will straighten your knife and second stage it will be finishing up with polishing the blades.