Modern Manufacturing Company is
Our original temporary locking device.
Mounts directly to ASA, T-strike, full-lip, flushbolt and deadlock strike preparations.
Mounting holes for jambs with no strike preparation.
Use to secure out-swing doors.
Will work on openings with or without hardware preparations.
Adjusts to most jamb depths.
The temporary lock designed to secure in-swing doors.
Mounts directly to ASA and T-strikes.
Door member accepts any 1 3/4 inch thick door.
The combination unit to secure both in-swing and out-swing doors.
All of the features of the UI-1 and the U-1
Our locks are made of American steel and have all mounting screws included.
Don't accept substitutes or risk your safety to poor quality knock-offs.
Modern Manufacturing Company is the original temporary lock manufacturer and we are the most dependable.
Mounts into and functions as an ASA strike.
Can be used temporarily to secure an opening or as a permanent auxiliary lock when used in conjunction with a cylindrical lock.