Open the windows to the proper position or close the windows as your need. Adjust the spacing of the window lock, and place it on the window frame, insert the key and turn the key clockwise or anticlockwise to adjust the width to fix the lock. Turn the key till the key slot can not move, which can make the window lock work efficiently.
Easy to install and remove: no additional tools are required, it has a hex wrench in each window lock that locks many corners of each window, requiring no tools or drilling, and can be installed in just a few minutes.
Adjustment Window Lock:The clamping distance is between 10 - 60 mm (0.39 - 2.36 inch).Its width fits most windows frame, but we still suggest you have your window frame measured first.
Professional surface treatment, fastness, concise and beautiful; Use high-quality materials, easy to open, suitable for most of plastic steel Alloy window.Secondary lock provides increased security when ventilating or securing your sliding door or window.
Wide application : Window locks designed for horizontal sliding windows, sliding windows and sliding doors like sliding doors, sliding glass doors, sliding windows, sash windows to keep them locked without having to make any major change making these a must-have for any parents that wants to add more security to their home or office
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