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 concealed security inserts. Wrought brass inside trim. Wrought brass cylinder trim rings reinforced by tapered die-cast security insert for resistance to wrenching or prying. Ultima Lifetime Anti-Tarnish finish on all exterior parts. Door preparation of 1-1/2 in or 2-1/8 in deadbolt and 2-1/8 in latchbolt crossbore, 7/8 in or 1 in edge bore, 1 in x 2-1/4 in latch faces, 4 in CTC. Door thickness of 1-5/8 to 1-3/4 in, packed with extra mounting screws to accommodate 2 in doors. Cylinder 5-pin with nickel silver pins and keys. Faceplate 1 in x 2-1/4 in. Deadbolt 1-1/8 in x 2-3/4 in, square corner, no lip, dust box and door frame reinforcer; Latchbolt - 1-5/8 in x 2-1/4 in full lip. Bolt Maximum Security B300 single cylinder deadbolt with 7/8 in housing diameter, 1 in throw. ANSI/BHMA Grade 1 Security features. Both handleset and deadbolt fit all doors, 2-3/8 in or 2-3/4 in backset; square corner, round corner or drive in preps.