Make more cuts with 12-inch Trimmer Straight Replacement Blades! These durable, interchangeable blade cassettes make up to 1,500 cuts and feature a steel ciruclar blade encased in a safety cover so sharp edges are never exposed until it's placed in the blade housing and pressed down to initiate contact. You’ll love this blade to create smooth cuts on all CM cardstock and designer paper! Designed for use with the 12-inch Trimmer (sold separately). Comes with a 90-day guarantee against any manufacturing defects.