8100 deadbolt series is an economical durable deadbolt, ideal for use as an auxiliary lock on residential applications. FEATURES: • Standard: ANSI / BHMA A156.5.2001 • Testing Cycles: Tested up to 100,000 cycles • Materials: - Chassis: Steel - Latch and Bolt: Zinc - Cylinder Housing: Steel - Round Plate: Brass • Backset: 60mm / 70mm • Door Thickness: 35~50mm • Function: Residential applications. • Anti-Sawing Insert: Hardened Steel • Cylinder: Solid Brass 5-pin tumbler cylinder • No. of Keys: 3pcs of nickel plated brass key Finishes: • US5- Antique Brass • US32D - Satin Stainless Steel Product Code : • V8111 Single Cylinder Deadbolt • V8121 Double Cylinder Deadbolt