Secure Your Home Effortlessly with OurDoor Locksets with Deadbolt Designed for doors with a thickness of1-3/8" to 1-3/4" (35-45mm), this door knob and deadbolt setincludes all necessary installation hardware. For pre-drilleddoors, installation requires just a screwdriver, making setup easyand convenient. The latch of the door knob with lock anddeadbolt adjusts from 2-3/8" to 2-3/4" to fit a variety of doorhole sizes, allowing for easy, hassle-free installation withoutaltering existing holes. Crafted from high-strength 201 stainlesssteel, zinc-coated copper and zinc alloy, this door lock set withdeadbolt features triple reinforced durability, providinglong-lasting security for your home. With key access from the outside and athumb-turn knob inside, this door knob with deadbolt providesenhanced security compared to single-function privacy knobs, makingit suitable for both indoor and outdoor use. Our door lock and deadbolt combo comeswith a complete set of hardware and a detailed instructionmanual-installation is a breeze with just a screwdriver.