The Slice Precision Cutter 10417 10417 is a knock-down cutter. Perfect for precision cutting, and its shape is easy to fit in your hand. When shipped, a replacement blade is built into the main body with a replaceable micro-ceramic blade (10418). The sharpness is very good, and it can be used for crisp work. Once you use it, you will see how good it is. Ambidextrous for left and right hand use.