Average Reviews:
(More customer reviews)I got these for my sliding glass doors as a security device. It looks very well machined and shiny, but it doesn't keep people from opening the doors.
The way it works is that the lever has a wedge shaped inner surface that pushes a metal slug into the U-shaped gap inside the device. It's supposed to press the slug into the sliding rail of the door to keep the device (and hence the door) from moving. Unfortunately, the lever doesn't lock in place, and the metal inner surfaces are not very good at gripping the metal track of my sliding doors, so all you have to do is repeatedly push the door against the lock and it will slide the lock down the rail and allow the door to open while the lock is still locked.
Click Here to see more reviews about: National Hardware V817 1-3/4-Inch Sliding Patio Door/Window Lock, Aluminum
Locks on window or door track in closed or any ventilating position. No tool required. Aluminum finish.
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