Constructor Chronos Privacy Door Lock Set Knob Handle Bedroom and Bathroom Stainless Steel Intended for Bedroom and Bathroom Adjustable Latch to fit 2 3/8" and 2 3/4" Backsets Fits on 1 3/8" to 1 3/4" thick doors Comes with no key. Locks with a privacy pin on the inside but can get unlocked from outside with a screwdriver in case of emergency. All mounting hardware included