Premier Martin Yale AC150 Auto-Clamp StakCut Paper Trimmer, 15" Cut, 40 Sheets, Wood Base, 10" x 16-1/4". Heavy-duty guillotine trimmer is also highly portable plus stylish so it fits into any office decor. Features automatic clamp mechanism that securely holds tall stacks for accurate cutting without shifting or tearing. Precise lighted cutting line for accurate cutting of paper, matte board, cardboard, film, tissue and textiles. High precision, easy to read pad printed graphics, insures accuracy when cutting. Patented automatic blade latch locks with every cutting motion. Auto clamp also functions as safety precaution.