For residential single and multi-family entrance doors. Deadbolt thrown or retracted by key outside, or by turn unit inside; bolt automatically deadlocks when fully thrown. 7/8" wrought brass trim ring reinforced with security inserts. Concealed spin ring rotates to protect against wrenching the cylinder. Solid steel door frame reinforcer with 3" screws protects against kick-in attack. Solid, 1 piece design protects against hammer and crowbar prying attacks. 2-1/2" steel adapter ring, plated to match, provided for accommodating 2-1/8" crossbore. Hands free installation. DOOR PREP: 1-1/2" or 2-1/8" crossbore; 7/8" edge bore; 1" x 2-1/4" latch face. DOOR THICKNESS: 1-3/8" to 1-3/4". CYLINDER: solid brass, 5-pin, tumbler C keyway with nickel silver, pick resistant, spool pins and 2 nickel silver, 5-pin, C section keys. FACEPLATE: 1" x 2-1/4". STRIKES: 1-1/8" x 2-3/4", no lip, with dust box and door frame reinforcer. BOLT: 7/8" housing and 1" throw with concealed hardened steel rolle