The PROF REPL CUTTING WHEEL RO ROTATRIM is the perfect replacement cutting wheel that is designed for using with the Rotatrim Mastercut Professionl. It is a precisely engineered rotary blade that comes with a hollow-ground design and is made of Sheffield tungsten steel. The blade is self-sharpening that not only grants it a long life but also provides clean, precise cuts. Provided with the housing and a tensed spring, it helps in fitting the hand comfortably while completely and safely enclosing the cutting blade. A replacement of the original cutting wheel, this is the perfect accessory.