The OX Trade Retractable Utility Knife is a tough, no-fuss box cutter with a solid metal body and a quick-release blade change button, so you can swap blades fast and tool-free. Includes 5x standard SK5 blades, internal blade storage, and a tether hole. This classic retractable knife stands up to tough conditions and delivers long-lasting cutting power for tasks like unboxing packaging, trimming materials, scoring drywall, or precision cutting construction materials.