The Joseph Josep 2-Piece Slice and Sharpen Knife in Black 10146 is a unique and innovative kitchen tool set designed for convenience and efficiency. This set includes a 6-inch chefs knife and a 3.5-inch paring knife with integrated ceramic sharpeners built into the protective sheaths. This allows you to conveniently sharpen the knives just before use. The knives feature high-quality stainless-steel blades which are non-stick and silicone-coated and comfortable, ergonomic handles. The knife sheath has a non-slip base for safe sharpening and cutting.