Martin Yale’s GreenBoard Paper Trimmer with Clamp features a durable wooden base and a through-hardened steel blade with precision-angle to cut up to 20 sheets of paper at once. An automatic paper clamp and dual English and metric rulers ensure straight cuts. Non-skid rubber feet keep the trimmer in place. Safety features include an automatic latch that locks with every cutting motion, a finger guard along the full length of the blade, torsion springs to prevent the blade from falling when not in use and an ergonomic, soft-grip handle. Cuts paper, matte board, cardboard, film, tissue and textiles.