For residential single and multi-family entrance doors. Deadbolt thrown or retracted by key from outside or by inside turn unit. Latch retracted by thumbpiece from inside or outside grip. Solid forged brass outside trim, wrought brass trim rings with conc ealed security inserts. Wrought brass inside trim. Wrought brass cylinder trim rings reinforced by tapered die cast security insert for resistance to wrenching or prying. All handlesets have the same finish for both interior and exterior parts except the Bright Brass finish which has a bright brass finish on all interior parts and Ultima Lifetime Anti-Tarnish finish on all exterior parts. DOOR PREP: 1-1/2" or 2-1/8" deadbolt and 2-1/8" latchbolt Crossbore; 7/8" or 1" Edge Bore; 1" x 2-1/4" Latch Faces; 4" CTC. DOOR THICKNESS: 1-5/8" to 1-3/4"; packed with extra mounting screws to accommodate 2" doors. CYLINDER: 5-pin with nickel silver pins and keys (2). FACEPLATES: 1" x 2-1/4". STRIKES: Deadbolt - 1-1/8" x 2-3/4", square corner, no lip, du st box and door frame reinforcer; Latchbolt - 1-5/8" x 2-1/4" full lip. BOLT: Maximum Security B300 single cylinder or B362 double cylinder deadbolt with 7/8" housing diameter, 1" throw. ANSI/BHMA: Grade 1 Security features. DUAL OPTION UNIVERSAL: Both ha ndleset and deadbolt fit all doors, 2-3/8" or 2-3/4" backset; square corner, round corner, or drive-in preps. GEORGIAN INTERIOR KNOB With Single Cylinder Deadbolt - Boxed Finish=Satin Nickel