For bedroom and bathroom doors. Both bell-shaped knobs locked or unlocked by turnbutton inside. Outside knob unlocked by emergency key. For products listed with 2 finishes, the first is the exterior, the second is the interior. DOOR PREP: 2-1/8" Cross Bore, 1" Edge Bore, 1" x 2-1/4" Latch Face. BACKSET: 2-3/8" standard and adjustable to 2-3/8" or 2-3/4" optional. DOOR THICKNESS: 1-3/8" to 1-3/4". CYLINDER: 5-pin. FACEPLATE: 1" x 2-1/4". STRIKE: 2-1/4" full lip. BOLT: 1/2" throw. HANDING: Reversible for right or left hand doors. ANSI/BHMA: Grade 3.