THIS IS CUSTOM LINER LOCK BY MEL PARDUE.  THIS KNIFE IS APPROXIMATELY 30 YEARS OLD.  IT HAS BLUE SEA CORAL HANDLES.  THE BOLSTERS ARE TITANIUM WITH AN ORANGE PEEL FINISH ANODIZED.  THE BLADE IS 154 CM STEEL AND HAS BEAUTIFUL FILE WORK AND A THUMB STUD OPENER THAT IS AMIDEXTRIOUS.  BLADE IS 4 1/8".  CLOSED LENGTH IS 5".  OVERALL LENGTH IS 9 1/8".