X-ACTO 15" x 15" Square 3/4" solid wood base trimmer cuts up to 15 sheets. Guillotine blade has the X-ACTO hardened steel blade with its perpetual edge self-sharpening system. Safety guard helps keep fingers away from blade. Additional safety latch attached to the base for the guillotine arm. Trimmer board is printed with English and metric grids to aid in precision cutting.