Marks 21AC Double Cylinder Iron Gate Ornamental Knob Plate Mortise Lock Set with 2-1/2 Backset 21ac/3-wrh

(1) Lock On Top & Knob On Bottom, or Knob On Top & Lock On Bottom. Screwless knob plates, self adjusting spindles. 2) WHILE OUTSIDE, Lock on Right & Hinges On Left, or Lock On Left & Hinges On Right. Finish: Polished Brass.