mith's 2-Step Knife Sharpener features two tungsten carbide blades with pre-set angles to ensure the perfect Edge every time. Three or four strokes through the carbide sharpening slots will restore the Edge on a very dull knife. The two crossed ceramic rods also have pre-set angles and provide a smooth finished Edge to already Sharp knives. It is lightweight, portable, comes with a lanyard hole, and has non-slip rubber ft for added safety. Excellent for use on all types of knives.