【High Quality】: The window handles are made of high-quality aluminum alloy, rust-proof and corrosion-resistant, suitable for replacing old window handles or for building new ones. Suitable for left and right-handed handles.

【Installation Size】: This window handle is manufactured according to industry standard dimensions. It uses a 7x7 mm square spindle with a 43 mm locking pin length and 43 mm screw spacing. The locks are easy to install, and each handle comes with 1 key, 2 screws, and 1 cover.

One key can be used for all cylinders with the same locking mechanism.

【Security】: The window handle can be used as a child safety/anti-theft device. By locking the window from inside the house, it offers more protection for children and provides greater security for parents. It is suitable for inward and outward opening plastic windows, aluminum and wooden windows, as well as tilt and turn windows.

【Easy to Use】: You don't need to remove your old window handle to replace it with a lockable handle. Simply unscrew the old window handle with a screwdriver, remove it, and replace it with the lockable handle. After attaching it to the window with two screws, it's ready.

【Application】: It is suitable for almost all inward and outward opening windows/balcony doors and is installed quickly and easily in just a few steps. The built-in lockable window handle can be used on inward and outward opening plastic, aluminum, and wooden windows, as well as angled windows or doors.