Wide range of uses: Sliding window locks easily adapt to most environments, such as patio doors, sliding glass doors, and sliding windows in hotels, homes, hospitals, schools, and offices, providing a safe environment for children. Easy to use: Lock your sliding doors and windows with these easy-to-install, no-drill locks. They are equipped with rubber pads to protect the surface and come with a hex key for precise adjustment. Safe environment: Sliding doors and windows provide high security. They are installed on the window track and adjusted with a key (included). They can prevent the window from opening beyond the track, or limit the distance needed for ventilation, thus providing a safe environment for your children. Adjustable: These stainless steel sliding window locks are perfect for limiting indoor ventilation, protecting your family from thieves and curious children, and improving air circulation in your home. Durable Material: Made of stainless steel, the main material is sturdy and durable, the material is thick, the screws are thick, and it is equipped with plastic soft rubber pads, anti-scratch, anti-wear, easy to open the surface, durable sliding door and window locks.