The sheeter knives moves in a rotary movement effectively cutting sheets of paper material to exact specified length; it's also been called a stop cutter. At the exact point of cut, the sheet is "stopped" out, or cut to the desired length; the sheeting process generally consists of two blades working together. At the point of cut they work like a straight shear blade, but the rest of all points before and after they work like the whole rotary blade. NAK sheeter knives are manufactured to dust-free cutting edge technology with extremely close tolerances, straightening process insured maximum parallelism mirror surface finishes on bevels enable excellent cut quality and longer lasting life.