【Superb Quality】 The window blocker sash blocker is made of high quality aluminum alloy, durable door and window lock, sash locks not easy to rust and has a white paint finish, strong nails, thick lock body, sturdy for long time use of the time. 【Easy to Install】 The sliding bay window locks are suitable for all kinds of doors and windows. Mark the position of the installation hole with a pen before installation. Choose a drill bit, drill the hole at the marked position, and then fix the locks with the corresponding screws. 【Security Locks】 The sash window restrictor locks can give your home an extra layer of protection and are an ideal solution for home security. The lockable window handles include the cushion, which can reduce the friction between the jammer arm and the windows, protecting your windows or door from scratches. 【Widely Used】 The T-type sliding door lock is suitable for opening doors and windows both inside and outside. You can lock or unlock the sliding window locks