Color: Black
Slot 1: Diamond Surface (preparations). For repair and straighten damaged metal blades
Slot 2: Ceramic stone (fine tune). For polishes the blade and equalize any surface irregular including by the sharpening procedure.
Slot 3: Tungsten steel (sharpen). For restores the cutting edge to a 'V' shape.
Slot 4: Scissors ceramic. For sharpen the blades of your scissors