Designed to work with Fiskars TripleTrack Personal Paper Trimmers only. The straight cutting blade (orange) cuts up to 5 sheets of 20lb paper or 2 sheets of heavier cardstock and the scoring blade (black) neatly creases paper for a professional look. The unique TripleTrack rail design allows the blade carriage and rail to interlock, making straighter and more precise cuts. This package contains 1 straight cutting blade carriage and 1 scoring blade carriage. Caution: Sharp edge. Handle with care. For #9692 & #9694.