Kwikset 663 Deadbolt Unkeyed Deadbolt Lock, Satin Chrome 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
• 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
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

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 Satin Chrome finish gives the product a modern and minimalist look.