This Pismo Privacy has a designer style and superior security with this Kwikset Signature Series product. This knob is for use on interior doors where a privacy locking function is required， such as a bedroom or bathroom.FeaturesFits both right handed and left handed doors， universal handing.Certified Highest Residential Security， Durability and Finish - ANSI/BHMA Grade AAA.For use on interior doors where a privacy locking function is required， such as a bedroom or bathroom.Locking mechanism functions with turn piece on the interior of the lock.Microban Antimicrobial product protection keeps door hardware 99.9% cleaner than unprotected surfaces.WarrantypLifetime mechanical and finish warranty/p