Ab cp polo privacy lock. For bedroom and bathroom doors. Turn button on interior knob. Turning button locks both knobs. Lock may be opened by an emergency entry key in exterior knob. Full 10 year mechanical warranty. 5 year finish warranty. No. 300P 3 CP: Finish: Polished Brass, Function: Privacy Knob, Style: Polo, Latch: Adjustable, Backset: 2-3/8" or 2-3/4", Exterior Access: Emergency Key, Interior Action: Turn Button No. 300P 5 CP: Finish: Antique Brass, Function: Privacy Knob, Style: Polo, Latch: Adjustable, Backset: 2-3/8" or 2-3/4", Exterior Access: Emergency Key, Interior Action: Turn Button No. 300P 26D CP: Finish: Satin Chrome, Function: Privacy Knob, Style: Polo, Latch: Adjustable, Backset: 2-3/8" or 2-3/4", Exterior Access: Emergency Key, Interior Action: Turn Button No. 300P 15 CP: Finish: Satin Nickel, Function: Privacy Knob, Style: Polo, Latch: Adjustable, Backset: 2-3/8" or 2-3/4", Exterior Access: Emergency Key, Interior Action: Turn Button