Emtek 7043 STRETTO Narrow Trim Lockset, 1-1/2″ x 11″ Concord Non-Keyed, Brass Tubular, Dummy Single Sided Can be ordered with any Brass Knob or Lever Sold as complete set. Includes Latch and Strike Plate Narrow 1-1/4″ Door Preps, 3-3/8″ C-to-C Hole Spacing Handing required for Leverset Specifications:Door Thickness: 1-3/8″ to 1-3/4″Mount: Surface Mount (no door prep required)Material: Brass