Practical set: You get 8 adjustable sliding window locks, which allows you to easily adjust the opening width of your windows to keep them half-open or fully closed, improving safety and ventilation. This set provides a complete solution for multiple windows in your home or office. Free control over window width: With our adjustable sliding window lock set, you can freely control the width of your windows, providing increased security when ventilating or securing sliding doors and preventing children from opening and climbing. Thanks to their adjustable features, you can easily adjust the lock groove distance, making these locks suitable for windows and sliding doors of various sizes. They are easy to use and fit most sliding windows. They can be used for ventilation and locking, their versatility meets your security needs. Robust and durable: These locks are made of thickened aluminum alloy, making them corrosion-resistant, rust-proof, and durable. Easy installation: No drilling is required to install these window locks. The yellow plastic handle makes adjustment and installation even easier. Just insert the hex key into the hole, place the lock on the track, and turn the key to lock. Versatile: These locks are suitable for all types of sliding windows and doors, providing increased security for your home. (Note: Not applicable to intermediate window tracks) Wide range of applications: This key-operated sliding window lock is suitable for most types of windows and sliding doors, including floor-to-ceiling windows and patio doors. Its simple and elegant style suits most homes, hotels, schools, and offices. It is an easy-to-install solution that enhances your home's security, creates a safe environment for children, and installation is simple...