Smith's SM51136 Slide Sharp edge grip knife sharpener offered, in a turquoise 2-slot and made with both carbide blades, perfect for bringing your dull and damaged knives back to life. The ceramic rods in the fine slot finish the edge and are ideal for light touch up of an already sharp knife. The Slide Sharp knife sharpener is equipped with Edge Grip technology allows for sharpening on a table or countertop edge to prevent larger knives from dragging over the surface. Smith's SM51136 knife sharpener has a non-slip base give added stability while sharpening straight edge knives.