Milwaukee Self-Retracting Utility Knife is designed with a self-retracting blade mechanism that automatically retracts the blade when the button is released, ensuring safety and convenience. This utility knife features tool- blade changes and includes on-board storage for up to five additional blades, making it easy to switch blades quickly on the job. It two blade positions, allowing users to select the cutting depth to minimize damage from over-cutting. The slim, all-metal body provides exceptional durability for tough jobsite conditions while maintaining a compact form factor that saves space. Model Number: 48-22-1512