Fiskars Portable Paper Trimmer Replacement Triple Track Blades, style I - Cut and Score, 2pk fit Fiskars paper trimmers with our patented Triple Track 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. Product comes with 1 straight cutting blade and 1 scoring blade.