Kwikset Polo Traditional Deadbolt and Entry Door KnobFeaturing SmartKey Security, which protects against advanced break in techniques and allows you to re key your lock yourself in seconds SmartKey Security re key technology is compatible with Kwikset (KW1) keyway or (SC1) keyway options Universal handing, fits both right handed and left handed doors Latch has three interchangeable faceplates, round corner, square corner and drive in collar Latch has adjustable backset 2 3 8 to 2 3 4 in to fit all