Sliding Window Locks 4pcs Sliding Door Stopper Adjustable Aluminum Frame Security Lock Window Lock with Keys for Security and Anti-Theft

Package Includes: 4 sets of window locks for sliding windows, including 8 screws, 4 keys and 4 rubber pads. The locks are made of aluminum alloy, durable and sturdy, long using time. Size about 6 x 2.54 x 2.4cm, apply to track heights above 1.2cm, track thickness not more than 1.6cm. Simply attaches to the rail with the hex wrench. By keeping windows partially open and closed, burglar-proof and can protect security. Suitable for both windows and sliding doors.