This keyed entry door knob provides essential security for exterior doors, including front, back, and garage entrances. Designed with a reliable key lock on one side and a convenient turn-button operation on the interior, this knob offers both access control and ease of use for residents. The matte black finish and ball shape provide a versatile aesthetic that complements a variety of home decor styles, from modern to traditional.This door knob is adaptable to standard door preparations, fitting 1-3/8 inch and 1-3/4 inch thick doors and accommodating the two most common . 2-3/8 inch and 2-3/4 inch. The durable 2-way latch, featuring a 1/2 inch nickel-plated bolt, ensures a secure closure, while the 5-pin cylinder adds an extra layer of protection against unwanted entry.Installation is straightforward, with all necessary hardware and instructions included. This lockset is certified, meeting residential security standards and providing peace of mind. Enhance your homes safety and style with this functional and aesthetically pleasing door knob, offering a blend of security, convenience, and design.