Do you want to be perfectly sure not to get intruders? A door chain, safety bar, safety door chain, safety catch or security door chain is easy to install on the inside of your front door or on your windows. The door chain or safety bar is used as a supplement to the ordinary lock on the front door or the window. See, among other things, the security door chain from the British brand Samuel Heath, that is only have product manufactured in the highest quality.
All products below come with screws.