The Emtek Keyless Entry Single Sided Sandcast Tuscany Arched Deadbolt is dedicated to helping bring your personal style to life. Door hardware is more than a way to open, close, and secure a space. To us, it is an integral part of a room’s design theme. Each order is custom assembled in our Southern California facility. Let you mix and match according to your own taste. Door hardware should make a statement, your statement. Cast bronze construction Standard door prep For interior installation and appearance Operated by thumbturn from inside only No cylinder or collar No hardware outside Hardened steel bolt Standard latch is for 2 3/8" backset, specify 2 3/4" backset if required Key Features & Innovations One Sided Deadbolt Function The deadbolt is thrown and retracted by a thumbturn from the interior. There is no external trim, making it impossible to unlock the door from the outside.