For the bedroom, bathroom, any room that requires a little privacy. It features a thumb turn locking mechanism to avoid unexpected interruptions but can also be opened from the outside with a small tool to prevent anyone from unintentionally locking themselves out. The Honeywell Classic Knob Privacy in Oil Rubbed Bronze has a Grade-3 Residential Security; tested by ANSI (American National Standards Institute) to meet standards for residential security. Adjustable latch fits 1-3/8" 1-3/4" thick doors and 2-3/8" 2-3/4" adjustable backset. Installs easily with a Phillips screwdriver when holes are predrilled into door. Includes an adjustable latch, mounting hardware, instructions and drilling template. Backed by a limited lifetime warranty.