Function: Keyed One SideDesigner style and superior security with this Kwikset Signature Series™ product Non-functioning lever - Interior Pack only Must purchase Kwikset exterior pack separately For installation with Kwikset handlesets Keys Sold Separately Locking mechanism functions with turn piece on the interior of the lock Right-Handed Lever Easily installs in minutes with just a screwdriver Microban Antimicrobial product protection keeps door hardware 99.9% cleaner than unprotected surfaces