This is the Cutz Cartridge that contains blades. The lock holds the cartridge in position and exposes the blade. The component roller positions the Cutz cartridge and the alignment tip shows you specific measurements of where your cartridge is positioned. The clear stabilizing bar helps keep paper smooth and straight while it’s moving through the Cutz component. The guide wheel contains a rubber wheel to help keep paper aligned and should be positioned near the edge of the Cutz component. Position Cutz component so the crank gear is on the same side as the handle. Slide Cutz component into component tracks until it clicks into place. Fold tray down and slide toward component. Position guide wheel on desired side of the component to help hold paper in place. Position Cutz cartridge with alignment tip toward tray at desired measurement. Slide cartridge lock into locked position until it clicks into place. Cartridge will not be able to move left or right when it is properly locked. Place item on the tray. Place stabilizing bar on top of item and slide toward component. Gently secure with your hand. Turn handle clockwise to feed item through Cutz.