83 in. Full Surface Continuous Hinge Heavy Duty Limted Frame in AluminumContinuous hinges have the option of being 83 in. or 95 in. long with screw holes. The 2 finishes available for these hinges are duranodic (DU) or aluminum (AL). These continuous hinges are either full mortise (CFM and FM2 codes) or full surface mount and are non handed. 83 in. continuous hinge used for narrow (limited) frame applications (LF) Standard duty with 16 thrust type self lubricating concealed bearings per hinge Tamper resistant removable