Ranger D/A OTF Skulls Automatic Knife Two Tone Tanto Serrated. Push the button on the side of the handle upward and the blade makes its appearance from the front of the handle. The blade is a tanto style with a two-toned finish. The belly of the blade features a partial serration. 7 holes are cut out of the blade below the blood groove for decreased weight and added detail. Slide the button down and the blade shoots back into the handle. The handle itself is made from sturdy zinc alloy with a sinister skull pattern. On the bottom of the handle is an emergency glass breaker. A black nylon sheath with a belt loop is included to house your knife when not in use.