... almost any surface, horizontally, vertically even upside down. The tungsten carbide blades adjust to sharpen knives, scissors, shears, and ... The tungsten carbide blades adjust to sharpen knives, scissors, shears, and cutting tools. A must have for any kitchen. ??Used and ... , onions, peppers, bread and so much more! Features: Tungsten Carbide steel sharpening blades Suction cup on base holds Samurai Pro ...