Complete Package Content: You'll have everything you need for a hassle-free installation! Our kit includes an exterior door knob, an interior door knob, screws, an adjustable latch, 3 keys, a strike plate, installation accessories, and detailed installation instructions to ensure you can easily install this door knob with lock. Multi-Functional Adjustable Latch: Our all-metal adjustable latch design is suitable for standard doors, compatible with backset sizes of 2-3/8 inches to 2-3/4 inches (60-70mm) and door thicknesses ranging from 1-3/8 inches to 2 inches (35-50mm). This product is perfect for use as a front door lock, backdoor lock, or bedroom door lock, providing ideal privacy protection and security. Easy Installation: Say goodbye to complicated installation processes! Our detailed installation instructions allow you to easily install the door knob and door lock using just a screwdriver in just a few minutes. Important Note: The screws on the door knobs are preset; ple