Set of 4 Adjustable Window Locks with Vertical Horizontal Keys
![4 Window Locks](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Instead of with knobs sticking out to where someone can unscrew them by reaching in, these updated sliding security window locks help to stop children from moving the windows, prevent it being pushed open from outside, restrain your cat from breaking free out, since it requires a hex key to undo, perfect for your escape artist and teenager.
According to customer feedback, the upgraded double screw window safety lock is in place of the single one, more stability and reliability. Limited open for fresh air circulation and breeze without leaving your home unsecured. Sliding doors windows stoppers increase your safety in main floor apartment, secure the portable AC window, protect your kids and pets.
Aesthetically, proof safety window locks are much more pleasing and less bulky than a window bar. Also easy to attach, adjust, remove and reinstall during your travel. The window stoppers are the good deterrent for up and down vertical & horizontal sliding windows doors in patio balcony door, bedroom etc.