Matte Black Exterior Door Locksets with Deadbolt, Front Door Entry Handle and Single Cylinder Deadbolt Set, Square Door Lever with Keyed One Side Deadbolt Lock, Keyed Alike 2Pack. :T are 12 same keys in total(Keyed alike), and you could used 1 key to open and lock all loacksets. Single Deadbolt means that you can lock/unlock the door by a key from outside and a thumb-turn button from inside? : The door handle set fits doors with a thickness of 1-3/8 inch to 1-3/4 inch (35mm to 45mm) and is equipped with an adjustable backset of 2-3/8 inch or 2-3/4 inch (60mm or 70mm)?
: It is easy to install and fits most standard front, back doors. Fit on existing, standard pre-drilled doors, You only need a Phillips screwdriver and a few minutes to install it. Please note that the pre drilled diameter is 54mm? : With ANSI Grade 3 verification, the hardware set exceeds 200,000 cycles ensuring the quality provided to you? : This combination of door lever and deadbolts, will give your home or rental house a new look, you can use them in contemporary/modern style room, transitional traditional Victorian Colonialism home décor.PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.