The Martin Yale Premier Heavy-Duty Wood Board Paper Trimmer PREW15 is designed for precision cutting. It features a through-hardened, self-sharpening steel blade that can cut up to 20 sheets at once. The heavy, 3/4" wood base includes a permanent 1/2" alignment grid with both Imperial and metric rulers, ensuring accurate cuts for various materials including paper, matte board, cardboard, film, tissue, and textiles. Additional features include a patented automatic blade latch for safety, a finger guard, a torsion spring to prevent accidental blade falls, an ergonomic soft-grip handle, and nonskid rubber feet for stability.