... upside down. The tungsten carbide blades adjust to sharpen knives, scissors, shears, and cutting tools. A must have for any kitchen ... upside down. The tungsten carbide blades adjust to sharpen knives, scissors, shears, and cutting tools. A must have for any ... cup Slices everything with ease Sharpens serrated knives, kitchen shears, scissors and all blades Get the sharpest edges possible. samurai pro ...