White Aluminum Key-Lockable Window Handles, Balcony Door Handles with 8 Screws and 8 Keys, Suitable for All Common Window and Balcony Doors, 4 Pieces

【Security】The window handle can be used as a child lock/anti-theft device. By locking the window inside the house, it offers more protection for the child and provides greater security for the parents. It is suitable for inward and outward opening plastic windows, aluminum and wood windows, and sloping windows.【Installation Size】The distance between the screw holes on the handle is 43 mm, the width of the main shaft is 7 x 7 mm, and the length of the square shaft is 35 mm. These window handles are manufactured to standard industry dimensions, so you can be assured that this handle will fit most currently available Espag and Shoot-Bolt systems.【Easy Installation】Each window handle comes with 2 screws and 2 keys for easy installation, is lockable on almost any window, and installs quickly and easily in a few simple steps.【Different Opening Methods】The window can be in 3 states using the handles: closed, open, tilted. The handles can be locked with a key when closed or tilted.【Security Lock】The simple and secure operation offers added security; the childproof window handle lock provides more protection and security in your apartment/house. Most suitable for families with children and babies. One key can be used for all locks.