INTERIOR LOCKING MECHANISM NOT INCLUDED. ONLY PARTS SHOWN IN PHOTO INCLUDED Compatible with Andersen 3000 and 4000 Series Traditional Style with a Satin Nickel Finish Mortise Lock Case not included. Must be purchase seperately. Includes inside and outside handles, trim plates, screws, and Kwikset key cylinder with keys Fits on 1 1/2" thick Andersen 45 Minute Easy Install or Rapid Install 1 systems. Update your entryway with the timeless, traditional handle set from Andersen. It is compatible with Andersen 3000 and 4000 Series storm doors featuring the 45-Minutes Easy Install System.