?MEASURE YOUR WINDOWS TRACK?The window lock is apply for sliding windows, sliding doors and vertical windows.please measure your window track size height must be greater than 0.48inch (1.22cm) and width must be less than 0.61inch (1.55cm) before ordering window locks. window locks is equipped with a vertical key, which can be applied to the middle track of the window. ?2024 ENHANCED SECURITY DESIGN?1, window lock and key separation design, to prevent children or thieves to unlock at will; 2, thickened aluminum alloy material, permanent durability and not deformed; 3, window lock two fixed hole design, so that you can experience a stronger security protection; 4, the lock body widening design, open the window when the blocking area is more solid; 5, the window lock is equipped with a protective washer, to prevent scratches or damage to the window. ?EASY TO INSTALL? Our window lock offer two mounting options for different widths of window track.Each set of window locks comes with a hex wrench and a vertical wrench. Both methods are easy to install.No additional installation tools or drilling required,3-step quick installation.step1,place the lock to a suitable position.Step2,Insert gasket protect window track from scratches.Step3,tighten the screws,done!you can easily fix the window lock at any part with the vertical key or hex keys,easy to reuse and re-install. ?VERSATILE USABILITY?The window lock is adjustable in width, making them suitable for most sliding window and doors. The window locks are versatile enough to be used on most types of sliding window and doors, including living room window, sliding glass window, patio sliding doors, and more. They are small and lightweight, making them perfect for travel. You can take them with you to hotels or rental properties to enhance the safety of your temporary accommodations. ?What's You Get?6 security window locks, 6 mounting hex keys, 6 protective gaskets, 1 vertical key for mounting to center track.Great thanks for choosing us and we care about the customer's purchase satisfaction.If you have any questions while using,just feel free to contact us,we will reply to you within 24 hours and surely offer you a satisfied solution.