Baldwin 385 L03 SMT Double Cylinder Deadbolt, Lifetime Polished BrassThe classic round shape complements and enhances a variety of design styles.Baldwin 385 L03 SMT Double Cylinder Deadbolt, Lifetime Polished Brass Features: Solid construction Solid brass deadbolt latch with hardened steel roll pin for additional strength and security ANSI/BHMA Grade 2 security features Easy to install Adjustable backset latch fits 2-3/8" (60mm) or 2-3/4" (70mm) SmartKey Re-key technology; key compatible with KW1 keyway SmartKey re-key technology allows you to re-key your lock in seconds and features a stainless steel side locking bar for increased strength and security Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin and tumbler locks Accommodates door thickness between 1-3/8" (35mm) to 1-3/4" (44mm). Functions available: single cylinder, double cylinder