4Pcs Security Locks, Window Rotation Limiter with Screws, White Window Latches, Sash Blocker Jammer Locks for Various Door and Window and Home

【HIGH QUALITY MATERIAL】:The Window Lock is made of high quality PVC.which is durable,waterproof and moisture resistant.and easy to clean.Suitable for providing extra security to your doors and windows . 【EASY TO INSTALL】: You only need to twist the jamming arms to lock or release the chassis. Mark the position of the installation hole with a pen before installation, choose a forest, drill the hole at the marked position, then fix the lock with screws. 【SECURITY】: For added home security on your PVC/UPVC/wooden doors and windows.It can be attached to any entry point of the house and can stop criminals. Give your home an extra layer of protection. 【UNIQUE DESIGN】: The frame jammer with anti-wear pad , which can reduce the friction between jammer arms and windows, protect your windows or door from scratches. 【Widely Used】: White Latches Block Handle almost matches any decoration style of the house.It is suitable for opening doors and windows inside and outside doors and windows, not for