These scoring blades accompany the Cricut® Trimmer. The score blades are only sharp enough to crease or score paper to make paper easy to fold.
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You'll find these score blades last a very long time. I purchased a set with my first Cricut Trimmer, nearly 4 years ago, and have only used one so far, and that was because I lost one. A helpful hint when using the score blades ... use a light hand, as they work with very little effort ... too much pressure may cause you to cut your paper.
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