Westcott Saber Safety Cutter Is A Safe Box-Cutting Solution. It Can Cut Through Even The Largest Boxes With Ease. Box Cutter Is Made From Acrylonitrile Butadiene Styrene (Abs) With A Glass-Filled Nylon Frame For High-Impact Durability. Durable Plastic Handle Features 22-Percent More Surface Area For Better Grip And A Thumb Rest For Added Comfort. Safe Blade Guard Helps Prevent Injuries. Built-In Measuring Scale Includes Both Imperial And Metric Markings For Universal Use.