PRECISE CUTS: The premium self-sharpening guillotine trimmer blade effortlessly slices through paper stacks up to 40 sheets at once. This professional guillotine stack cutter ensures every slice is clean, smooth and precise, making it ideal for trimming paper, cardstock, photos, thin cardboard and chipboard, vinyl, and more. AUTOMATIC CLAMP: The full-length automatic paper clamp securely holds paper in place, preventing any movement or slipping during the trimming process. As you lower the paper cutter blade, the clamp automatically engages to ensure perfect alignment and accuracy, even with thicker paper stacks. SAFE AND EASY: Hands are kept safely away from the heavy duty paper cutter blade by a sturdy ABS plastic shield. This built-in safety guard provides peace of mind without compromising on efficiency. Easily align sheets for precise and accurate cuts with the alignment grid on the paper cutter board, dual scale ruler with inch and metric markings, and locking side guide. RUGGED METAL BASE: Durable steel paper cutter base is built to withstand heavy use without warping, cracking, or losing stability. Non-slip rubber feet keep the paper slicer in place during use. VERSATILE AND EFFICIENT: Heavy duty guillotine cutter accurately trims sheets up to 18” long and paper stacks up to 5/32” high. This paper cutter delivers consistent, professional cuts, perfect for offices, classrooms, photography, crafting, and scrapbooking. United's T18P paper trimmer is designed for portability, precision, and durability. Its high-carbon steel blade with ergonomic handle allows users to accurately trim up to 40 sheets at a time and stacks up to 5/32" high. The full length paper clamp automatically engages as the blade is lowered providing outstanding accuracy. Safety is key with the T18P, which features an ABS plastic shield to keep hands away from the blade. It's built with a rugged steel base that won't warp or crack, standard/metric alignment grid and blade lock for safe transport.