Just three or four strokes through the carbide sharpening slots of the Smith's 2-Step Knife Sharpener will restore the edge on a very dull knife. Its two crossed ceramic rods also have pre-set angles and provide a smooth finished edge to already sharp knives.It's lightweight, portable, comes with a lanyard hole and has non-slip rubber feet for added safety.Excellent for use on all types of knives, especially fillet knives.Crossed carbide blades provide quick edge settingCrossed ceramic rods provide a razor sharp edgePreset sharpening angles provide guaranteed resultsAbrasives: Coarse Carbide / Fine Ceramic - 1,500 Grit