High quality material - safety door chain is made of zinc alloy and stainless steel, durable, scratch proof, rust proof and corrosion resistant
Provides extra security- protect children from falling out of the window. Suitable for most casement windows and small doors; Perfect for home, public and commercial applications
Easy to install - trouble free installation. Mounting screws are included. The door chain lock is used for the inner door and cannot be unlocked from the outside. Protective locks can be used for various door types, such as wooden or metal doors, and can be installed horizontally or vertically