【Package Includes】4 security locks in the package Window lock, equipped with fixing screws and protective cover, ideal solution for home security. 【High Quality Materials】The window lock is made of metal, with great durability and quality. Sash locks not easy to rust and has a white paint finish, strong nails, thick lock body, sturdy for long time use. 【Easy to Use】Easy to install and provides excellent additional security. Simply turn one jammer arm to lock and release the frame. 【Preferred Security】Prevent children from opening doors alone. Sash window restrictor locks can give your home an extra layer of protection and are an ideal solution for home security. 【Perfect Match】 The jammer arm can be rotated 90° left and right, which is easy to use. White powder coated finish, a good match with your windows and doors.