The Edgeware Diamond Pro 2 Stage Knife and Scissor Sharpener is an all-in-one sharpener for virtually any blade in your arsenal. With both 35 and 37-degree cutting angles available, this sharpener will make your knives - whether straight or serrated - razor sharp, but leave them thick enough remain extremely durable. That means you can chop, dice, and mince without having to worry about your blade breaking. The fast-action solid diamond rod-sharpening surface will last an incredibly long time. The scissor sharpener features durable, floating ceramic rods for quick sharpening action. Edgeware's patented design allows for sharpening of left- or right-handed knives in the same slot.