As the industry leader, Kwikset has provided trusted security for over 70 years and has become synonymous with security, peace of mind, style and innovation. The attractive, traditional colonial design of the Cove makes a simple yet elegant statement in any home. Both levers/knobs can be operated by a key on the outside or thumb turn on the inside. The rich tones of Matte Black add the finishing touch to this product. The Matte Black finish provides a rich and warm complement to the products style. KEYED ENTRY: Use on doors where extra security is needed, turn piece interior locking, exterior locking using a key. Recommended for exterior-facing doors SMARTKEY SECURITY: Kwiksets SmartKey Security technology protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds EASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, all the hardware you need is included for a hassle-free installation, detailed directions provided FITS STANDARD DOORS: Fits standard size doors 1-3/8" to 1-3/4" thick, adjustable latch backset from 2-3/8" to 2-3/4" with just a twist during installation CERTIFIED TRUSTED QUALITY: Security, Durability and Finish are Grade 3 BHMA certified, designed for reliable protection, providing peace of mind at home BOX INCLUDES: Exterior Keyed Door Knob, Interior Knob, Adjustable Latch, Intallation Hardware, SmartKey Tool, 2 Keys, Install Guide WARRANTY PROTECTION: Our products are backed by a lifetime mechanical and finish warranty with great customer service, see Kwikset warranty for more details