Fiskars Portable Paper Trimmer Replacement Triple TrackTM Titanium Blades, Style I - Straight Cut, 2pk fit Fiskars paper trimmers with our patented Triple TrackTM rail design. This unique system interlocks the blade and rail resulting in more accurate, precise cutting. The ergonomic, high profile cutting carriage of Blade I allows for easier grasp of the blade when cutting. These blades are heat t