Storm & Security Door Mortise Locks

The Marks K22 Exterior / Interior knob/Rose kit Is a security door lock and storm door lock knobs replacement this part that will replace broken knobs on Marks Ornamental Iron Mortise Lockset 22AC/26D. In addition, this Marks Knobs Set will convert the...

Marks Lock 22 Series 22DW/3 Storeroom Single Cylinder Mortise Lock for Security Door and Storm Door The Marks USA 22DW Mortise Lock is an Original Standard Mortise Lock used for Security Doors as well as for Storm door and sometimes on Screen doors...

Marks Lock K9117/3 Turnpiece Kit For 22AC/3 & 9225AC/3 Mortise Lock for Security Door & Storm Door The K9117/3 Converts a Marks 22AC/3 and Marks 9225/3 Double Cylinder Mortise Lock for Storm Door & Security Door into a Single Cylinder...

The Marks 22F brings panic-proof function to the classic 22 series iron door lock: the inside lever always retracts the bolt in one motion, so the door opens instantly from inside even when it is locked outside. That is the function fire safety wants on...

The Marks 21AC is the lever-handle sibling of our best-selling 22AC iron door lock, built on the same narrow-stile UniLock mortise body that fits ornamental iron security doors and storm doors. If your iron door currently has a lever rather than knobs,...

If you own an ornamental iron security door or storm door, this is almost certainly the replacement lock you are looking for. The Marks 22AC is the industry-standard narrow-stile mortise lockset for iron doors, and it is our single most reviewed product:...

The Marks 9215AC is the lever-and-plate styling of the company's ornamental iron door mortise locks: the same narrow-stile UniLock body that fits security doors and storm doors, dressed with a full escutcheon plate and lever for a cleaner, more...

Exterior / Interior knob/rose kit for Marks Ornamental Iron Mortise Lockset 21AC/3 1" - 1-3/4" thick doors Bright brass finish Interior and Exterior knob included.

Broken or worn knobs on a Marks iron door lock do not mean replacing the whole lockset. This K22 knob and rose kit replaces the exterior and interior knobs on the Marks 22AC/3 ornamental iron mortise lock, and it also converts a 21AC/3 lever lock to knob...

The Marks USA 9225AC/3 Mortise Lock is an Original Standard Mortise Lock used for Security Doors as well as for Storm door and sometimes on Screen doors.  It comes with the Mortise Lock Body 90A which is compatible with the Marks USA...

The Marks Thinline 2750 is the slim version of the company's iron door mortise locks, made for storm and screen doors whose stiles are too narrow even for a standard 22AC body. If your aluminum storm door or thin-frame screen door needs a real mortise...