Finish: SATIN NICKEL Application: MANUAL . Easy installation: one-person project and no extra hands needed Biggest adjustable bolt available Pick and bump resistant Adjusts to fit all standard door preparations Quality finishes for lasting beauty Unique snap and stay design Certified commercial grade 1 Satin nickel finish SPECIFICATIONS: Backset: universal - fits either 2-3/8" or 2-3/4" backset Door thickness range: 1-3/8" to 1-3/4" standard