The Martin Yale Premier Heavy-Duty Wood Board Paper Trimmer PREW12 is designed for precision cutting, featuring a through-hardened, self-sharpening steel blade that can cut up to 20 sheets at once. Its heavy, 3/4" wood base includes a permanent 1/2" alignment grid along with Imperial and metric rulers to ensure accurate cuts. This trimmer is capable of cutting various materials including paper, matte board, cardboard, film, tissue, and textiles, making it a versatile tool for any office or craft environment.