We R Laser Square Guide & Blades 4/pkg-
Use with the Laser Square and Mat (662837); sold separately. Align triangular opening to the triangle adjustment knob on the Laser Square and Mat and clip over bottom of mat. Perfect for precise cutting, perforating and scoring. Package measures 4 x 22 x 2 inches and includes guide, cutter, perforator and scorer. Recommended for ages 18 and up. Imported.