The Stanley Interlock Snap Off Knife features a die-cast metal body with a durable patented wedge lock action to securely hold the blade in position. Its simple finger screw action operates the locking mechanism, and it can be opened and cleaned, making it ideal for applications where material build-up is a problem. This 18mm blade knife is suitable for heavy-duty cutting tasks and features a convenient snap-off blade system for easy blade changes and extended tool life. MPN: 0-10-018, EAN: 3253560100186, Blade Width: 18mm.