" PROFESSIONAL 3-STAGE SHARPENER - Tungsten steel blades for very blunt and damaged knives to coarsely sharpen and restore the V-shape cutting edge of metal baldes. High-strength diamond rods for speedy grinding, used for daily sharpening an already sharpknife.Ceramic rods to finely sharpen, polish and eliminate burrs on the metal blade or scissors. CREATIVE DESIGN - With a small brush inside the handle for cleaning dirt on the knife edge or on the sharpener after grinding. The hole at the end of the handle is designed for easy hanging and storage. SAFE, VERSATILE, AND EASY TO USE - Multiple grinding way to meet straight and serrated edge kitchen knives, fruit knives, scissors and other knives.Comfortable grip, non-slip base, balanced placement, safe and firm.Precise bevel angle control createsultra-sharp 15 and 20-degree edges,simply place the dull blade on the sharpening slots and gently pull the knife through a few times and enjoy razor-sharpness in just seconds. DURABILITY - Separate sharpening and polishing stages for an arch-shaped razor sharp edge that is stronger and more durable. "