Feriany 5pcs/set Sliding Doors, Anti-Theft Switch, Lock, Window, Lock

2. Instant locking of sliding windows and doors - no drilling or tools required 4. Prevents the window from being forcibly opened or opened from the outside, easy to remove and reusable 1. High security lock sliding window tool 3. Place on window or door and tighten the thumb screw; lock or partially open 5. Fits most vertical or horizontal sliding windows and many sliding doors up to 2.5-4cm - edge width (adjustable)