6pcs Adjustable Sliding Window Locks, Double Locks in Aluminum Alloy, Double Holes, Window Locks, Door Frame Anti-Theft Security Locks with Key for Home and Office

【Security Lock】This sliding window lock allows you to freely control the window width, preventing children from climbing out and ensuring a degree of family safety. 【Size】Double Lock: 6 x 2.4 x 2.4 cm. Suitable for tracks with a height greater than 12 mm and a thickness less than 16 mm (Note: if the window track is located in the center of the window, this product cannot be used). 【Sturdy Material】Made of durable aluminum alloy with a yellow plastic cover on the outside of the key handle to prevent scratches or damage to the window, and can be used for a long time. 【Easy Installation】It can be installed without drilling and is not easy to rust. 【Wide Application】This window lock is suitable for horizontal sliding windows, vertical sliding windows, and sliding doors, such as patio doors, glass sliding doors, sliding windows, etc. Not suitable for plastic window frames.