Sturdy and Durable :Sliding window locks are made of stainless steel durable and anti-rust, reusable. They are strong, solid and sturdy, can serve you for long time using Safety:To prevent children from accentual falls avoid accidental opening of children accidentally window,To prevent burglary, it can lock the window when the window ajar. Appearance: Professional surface treatment, fastness, concise and beautiful; Use high-quality materials, easy to open, suitable for most of plastic steel Alloy window. Function:Secondary lock provides increased security when ventilating or securing your sliding door or window. Wide application : Window locks designed for horizontal sliding windows, sliding windows and sliding doors like sliding doors, sliding glass doors, sliding windows, sash windows to keep them locked without having to make any major change making these a must-have for any parents that wants to add more security to their home or office. Colour: silver Product Includes: 1PCS sliding window locks (each lock with 1PCS keys) Size: 68*31*35 mm Notes: Due to manual measurement, please allow 1-3cm error, please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual colour of the item.