Perform a variety of cutting tasks with ease using the WORKPRO utility knife. The stainless aluminum alloy body with powder coating ensures durability, while the tough plastic withstands 4.9-foot drops. Sharp blades are heat-treated at 1922°F and reach up to 64 HRC hardness. They retract easily and lock securely in the metal frame after use, while a quick-release button enables easy blade changes. Three adjustable positions allow for accurate cuts in plastic, cardboard, drywall, paper, rope, leather, and straps. The ergonomic design and compact size offer easy handling and safe storage in a back pocket. Includes 10 extra dual-purpose blades.