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
