🔐 Lock in peace of mind with style!
The Marks Lock 21 Brass Series UNILOCK 21AC Mortise Lock is engineered for security doors and storm doors, featuring a robust brass construction and designed specifically for right-handed applications. Its weather-resistant properties ensure durability, making it an ideal choice for both residential and commercial settings.
S**R
Perfect Fit
I liked the easy installation
A**N
Looks great and installed easily.
Will not lock with the key because the key mechanism is not flush with the body of the lock as the original was.
W**H
one of the mounting screws had glue on threads, took half hour to fight + half hour to clean
ordered 2, front door and back. installation at front door fairly easy except edge plate was a bit longer than the old one and I had to cut the door a bit (metal storm door). installation on back door was a bear. Tried multiple times to screw in mounting screw but it would not go. "What am I doing wrong?" I wondered. finally removed everything. Tried screwing the screw into the receiver with no other hardware in the way. It would not go! Closer examination showed something in the threads (straight out of the sealed plastic bag from the factory). Took a pocket knife to the threads to clean it, but it wouldn't come off. 16 power magnification revealed what looked like Liquid Nails or other adhesive. Used a wire brush over and over for 30 minutes, finally had it clean. Installation was then easy. (I confess I had a few words to say during installation.) Installation took 2.5 hours including door modifications, fighting, cussing, screw cleaning, and installation. Should have been 30 minutes total for both.
C**D
This lock is the real deal period
Easy to install worth every penny it cost
R**N
Great lock
Good instructions to install the storm door lock. Was easy to install and remove the old one.
Trustpilot
1 day ago
1 month ago
