2PCS White Aluminum Key Lockable Window Handles, Balcony Door Handles with 4 Screws and 4 Keys, Suitable for All Common Balcony Windows and Doors

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