Emtek Modern Brass Key In Knobset – Round Knob with Rosette Options – Dummy (Pair)Handing is Required for LeversetsStandard door thickness of 1-3/4. Specify if thicker.Modern Brass Key In knobsets and leversets may be ordered with any Classic Brass Key In rosette at the list price shown above.Specifications:Door Thickness: 1-3/8″ to 1-3/4″Mount: Surface Mount (no door prep required)Material: BrassManufacturer Resources:EMTEK Passage & Privacy Knobsets and Leversets Dimensions/SpecificationsCF2.0 Passage & Privacy Knob/Lever Installation GuideEMTEK Passage, Privacy & Dummy Knob/Lever Installation GuideEMTEK STRETTO Sideplate Lockset Technical Specifications