LOCKS; LATCHES; LOCK SETS, NAMELY SINGLE AND MULTIPLE POINT LOCKING UNITS; DOOR KNOBS; DOOR REINFORCING UNITS; NON-LOCKING LATCH STRIKES; NON-LOCKING LATCH BOLTS, NON-LOCKING LATCHES AND NON-LOCKING DOOR FASTENING BOLTS AND STRUCTURAL PARTS THEREFOR; PANIC EXIT DEVICES; NAMELY PUSH BARS AND PUSH PADS FOR DOORS AND STRUCTURAL PARTS THEREFOR; EMERGENCY EXIT AND DOOR RELEASING UNITS AND STRUCTURAL PARTS AND TRIM THEREFOR; PADLOCKS; SECURITY CHAINS; PADLOCK PROTECTORS AND GUARDS; LOCKABLE AND NON-LOCKABLE FASTENING BOLTS FOR DOORS, GATES, LIDS COVERS AND LIKE STRUCTURES, STRIKE PLATES, RETAINER PLATES AND STRUCTURAL PARTS THEREFOR; WINDOW LOCKS; KEY OPERATED TUMBLER MECHANISMS, KEY CYLINDERS AND KEYS FOR THE FOREGOING; TRIMS, ASTRAGALS, ESCUTCHEON PLATES AND TRIM, DOOR PULLS AND DOOR HANDLES; HINGES, HINGE STRAPS; SECURITY HINGE BOLTS; PUSH PLATES, DOOR CYLINDERS GUARD PLATES, DOOR LATCH AND/OR LOCK GUARD PLATES, FINGER PLATES AND CHAIR RAILS; FASTENERS, NAMELY SCREWS, BOLTS, WASHERS, NUTS, STUD BOLTS; FLOOR AND/OR WALL ANCHOR PLATES; GUARD RAILS AND BOLLARDS; ASTRAGALS, ASTRAGAL FITTINGS SOLD WITH ASTRAGALS; ASTRAGALS ADJUSTABLY SUPPORTED ON THE EDGE OF A DOOR OR DOOR STILE; ASTRAGAL ASSEMBLIES INCORPORATING A DOOR LOCKING UNIT WITHIN THEM OR MOUNTABLE TO THEM; KEY BOXES, EMERGENCY KEY BOXES AND KEY CYLINDERS FOR THESE; AND STRUCTURAL PARTS THEREFOR, ALL OF THE ABOVE BEING MADE PRIMARILY OF METAL