You are Buying a brand New And Factory Sealed Segal Prime-Line Bronze, Maximum Security Double Cylinder Deadlock. Product Overview This double cylinder deadlatch is constructed from bronze. It includes 2 keys. This deadlatch comes complete with hardware for a quick and easy installation. Used on doors that have a glass pane or are located next to a glass side light Tamper resistant shutter guard Includes 2 keys Bronze construction 5 pin tumblers that can be rekeyed All the necessary mounting hardware is included for a quick and easy installation Easy to install in less than 30 minutes with a few simple tools For further dimensional information, please see the line drawing Not sure what type of lock you need? Check out our helpful buying guide here. Bronze, Double Cylinder Deadlock Features durable bronze construction Comes with 2 keys.