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High-Security Sliding Window Lock - 3-Second Installation
Windows and doors that slide open are a favorite entry point for criminals. They open & close silently and factory-installed locks & latches are often easy to defeat. This simple and reliable lock grabs onto window or door track and prevents further opening. Also lets you set maximum window-opening size - a great way to safeguard upper-level windows for children.
Instantly lock sliding windows and doors - no drilling or tools needed
Place on window or door track & tighten thumb screw; lock shut or allow partial opening
Prevents window from being forced or pried open from outside; easy removal and reusable
Fits most vertical or horizontal sliding windows & many sliding doors to 1/4" track-rim width
Heavy-duty extruded aluminum won't rust or corrode
|Average Customer Rating:
|| based on 77 reviews|
Average Customer Review:
( 77 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
48 of 49 found the following review helpful:
Good product, but doesn't work for meSep 24, 2007
By B. Nakano
These window locks are good, but don't work with my windows. I have new double paned windows and the runner where the lock should attach is to wide. Only purchase if your runner is under 1/4".
29 of 29 found the following review helpful:
It serves its purposeJan 24, 2007
Not much to say about window locks except that they do the trick and fit on all of my windows. For extra security, a representative from a glass company advised me to put one on the bottom and one on the top so that it's level.
41 of 48 found the following review helpful:
It Works!Apr 29, 2007
By North Korean 1
These little gems work very well! I don't remember where my Mother had bought them, but we used them in a house where we never had any problems up until it went up for sale, at which point they did stand up to the test of a Burgler! I also had one on my bedroom window that did not have a screen, and I was not able to force the window open when I had locked my keys inside! In my new apartment, they are auctually fairly visible if you stare into the window with the blinds open--we all know a visible deterant is an added security precautian! As a Security Supervisor, I would also recommend window bars or even just a cut or broken off piece of wood. The screw can be tightened as tight as you can squeeze it too. Hope this review has helped you! (Can't go wrong for the price) :)
12 of 13 found the following review helpful:
Speedy and cheap!Dec 28, 2007
By Heather D. Banks
My son needed locks for his sliding windows, and these were quicker than going to still more hardware stores (we tried 5!) to find them. Also cheaper. Arrived in a couple of days. Amazon is SO much more than books!
14 of 16 found the following review helpful:
Window LockAug 31, 2007
By B. Sullivan
Just what I wanted a simple window lock which limited how much a window can be opened. It works on both my horizontal and vertical sash windows. I was concerned when I learned that theives can easily defeat a standard window lock by pushing the window frame near the standard lock and separating the frames enough to defeat the standard lock. I wanted to still be able to open my windows for ventilation. This window lock lets me limit the window opening so that a thief could still defeat my standard lock but then could not open the window enough to get in.
See all 77 customer reviews on Amazon.com