Schlage F51VPLY505 PB Plymouth Entry KNOB, Bright Brass

Unlock with key from the outside when outer knob is locked by turn button on the inside, the inside is always unlocked. Dual option latch fits either 2-3/8" or 2-3/4" backset, 1-3/8" to 1-3/4" door range. Comes with 2 keys.