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 Wave Lever 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. Can be installed on right or left handed doors for your convenience. Includes an adjustable latch, mounting hardware, instructions and drilling template. Backed by a limited lifetime warranty.