Baldwin SC.CSD.112 Venetian Bronze Single Cylinder Contemporary Square Deadbolt Certifications: ANSI/BHMA, Grade 2 Lock Applications: Residential locks single and multi-family entrance doors Door Prep: 2-1/8 door hole Door Ranges: 1-3/4" to 2" thick Backset: Universal fits 2-3/8" or 2-3/4" backsets. Latches: 1" x 2-1/4" Square Corner, 7/8" Housing diameter, 1" Throw Strikes: 1-1/8" x 2-3/4" Square Corner with Box Cylinder: 5-Pin solid brass, keyed 5-pin, C keyway Keys: Two nickel silver cut keys per lock, 5-Pin Reinforcement: Door frame strike reinforcer with 3" screws. Optional Smartkey Cylinder with KW1 keyway: SmartKey is a technological innovation that provides superior security with the flexibility of re-keying your own lock quickly and easily without removing it from your door. SmartKey also offers BumpGuard for protection against lock bumping.