4" overall multi-purpose pocket tool. One piece black finish Bohler N690 stainless construction. Features: central slot to be used as a screw-pin shackle wrench; key for fire arm optics regulation and calibration; bottle opener; can opener; 10 mm and 8 mm hexagonal screw keys; and 13 mm ring key. Front portion of tool may be used as a screwdriver or lever. Lanyard holes allow for attachment of paracord.