Emtek 4044 STRETTO Narrow Trim Lockset, 1-1/2" x 11" Arched, Brass Tubular, Dummy (Pair) Can be ordered with any Brass Knob or Lever Narrow 1-1/4" Door Preps, 3-3/8" C-to-C Hole Spacing Handing required for Leversets Specifications:Door Thickness: 1-3/8" to 1-3/4"Mount: Surface Mount (no door prep required)Material: Brass