Experience extreme duty carry carry with the Razor XD-a multi-function knife that cuts, saws, scrapes, pries, and screws, without ever needing sharpening. Features: One-handed operation Steel frame construction Scrape/pry/screw Blade holder cleaning tool Interchangeable utility saw Push button blade changes Four razor-sharp blades: 3 utility | 1 50% serrated utility 1 Interchangeable utility saw blade SawSafe is engineered to secure the Outdoor Edge interchangeable saw blades into the RazorSafe blade holder. Note: the saw blade is not compatible in knives without SawSafe