Kwikset 663 Deadbolt Unkeyed Deadbolt Lock, Polished Brass Round Interior Turn Piece for Front Entry Door, with Latch and Adapter, No Exterior Assembly

• NO KEY DEADBOLT: For use on exterior doors that require a high level of security, can only be locked and unlocked from the interior using the thumb turn piece
• 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
• BOX INCLUDES: Interior Turn Piece, Adjustable Latch, Screws, Strike Plate, Adapter, Installation Hardware, Install Guide
• CERTIFIED TRUSTED QUALITY: Security, Durability and Finish are Grade 3 BHMA certified, designed for reliable protection, providing peace of mind at home
• WARRANTY PROTECTION: Our products are backed by a lifetime mechanical and finish warranty with great customer service, see Kwikset warranty for more details
• TRADITIONAL DESIGN: Available in a classic, traditional door hardware style with simple, unique details to match your home décor

As the industry leader, Kwikset has provided trusted security for over 60 years and has become synonymous with security, peace of mind, style and innovation. The largest-selling deadbolt in America, the 600 series provides tough, effective protection at an affordable price. This single cylinder, single-sided deadbolt can be used along with a keyed knob or lever for added security. The Polished Brass finish adds to the traditional look and feel of the product and makes a classic statement.