Cut oversized papers with ease and affordability! Designed specifically for heavy-use commercial and school environments. Wooden base trimmer is designed to last with an X-ACTO hardened steel blade, featuring the Perpetual Edge Self-Sharpening System. Ideal for cutting papers for large projects. Trigger-lock safety latch, plus a safety guard to keep fingers away from the blades. Solid, 3/4" wood base is marked with English and metric grids. 2-year limited manufacturer's warranty. 18x18".