Schlage F10PLY626 Plymouth Passage Knob, Satin Chrome N/A Made in USA or Imported Use on a 1-3/8 in. To 1-3/4 in. Thick door Fits standard door preparations Passage knob for use on a door where a locking function is not required, such as a hallway or closet door One piece knob for better security and appearance Exposed screws Fits standard door preps Easy one tool installation ANSI grade 2 lock