Modern Manufacturing Company is

Our Universal Temporary Locks

U-1 Universal Temporary Lock

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.

E.O. Exit Only Lock

UI-1 Universal In-swing Lock

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.

A-1 ASA Strike Mounted Lock

UI-2 Universal In-swing or Out-swing Lock

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.