Emtek 8811 Colonial 9″ Non-Keyed Sideplate Lockset, Privacy – Brass Tubular Can be ordered with any Brass Knob or Lever Style Sold as complete set. Includes Knob or Lever, Latch and Strike Plate One Standard 2-1/8″ Door Prep Standard latch is for 2-3/8″ backset. Specify 2-3/4″ backset if required Handing required for Leverset Specifications:Backset: Adjustable 2-3/8″ or 2-3/4″Cross Bore: 2-1/8″Door Thickness: 1-3/8″ to 1-3/4″Latch Faceplate: Round or Square CornerMaterial: Brass