Window sash latch, window locks, plastic steel swing door and window lock, window anti-theft lock, window buckle, suitable for all kinds of doors and windows and home security 1. Wing jammers --- The window lock is made of high quality aluminum alloy, permanent door and window lock, wing locks not easy to rust, and white paint finish. 2. Easy to install - Sash Jammer window door lock suitable for all kinds of doors and windows, before installing, mark the location of the mounting hole with a pen, select a drill about 3mm, drill a hole at the marked position, and then attach the lock with screws. 3. Anti-wear pad --- Window door lock including anti-wear pad, window jammer can reduce the friction between the interfering arm and windows, protect windows or doors from scratching. 4. Widely used ---- window lock Suitable for opening doors and windows inside and outside doors and windows. The sash can be locked or unlocked by turning the locking arm. Specification: Size: as shown Qty per package: 4 pcs Window locks