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 largest-selling deadbolt in America, the 600 series provides tough, effective protection at an affordable price. This double cylinder deadbolt is operated by a key on both sides. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.Features For use on exterior doors where keyed entry and security is needed Deadbolt operated by key on both sides Includes 2 keys ANSI/BHMA grade 3 certified Latch has adjustable backset 2-3/8" to 2-3/4" to fit all standard door preparations 1 inch deadbolt throw Easily installs in minutes with just a screwdriver Lifetime mechanical and finish warranty Specifications Length: 1.0625" Width: 2.4375" Height: 2.4375" Weight: 1.25 lb Type: Deadbolt Application: Home Security