Both knobs locked or unlocked by turn button inside. Outside knob unlocked by emergency key. Door prep cross bore: 2-1/8". edge bore: 1". latch face: 1 inch x 2-1/4 inch . Backset adjustable to 2-3/8 inch or 2-3/4". door thickness 1-3/8” -1-3/4" doors standard. Faceplate 1 inch x 2-1/4 inch . Strikes 2-1/4 inch full lip. Bolt 1/2” Throw nickel plated. Door handing reversible for right- or left-hand doors . Ansi/bhma A156.2 grade 3. Ul meets 20 minute fire rating for UL function.
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