Emtek Solid Brass Key In Round Door Knob Set With Square Rosette2 1 4 Inch Solid Brass Key In Round Door Knob Set With Square Rosette Includes Latch and Strike Plate 2 11 16 Inch Projection Comes Complete with Mounting Hardware This door knob is constructed from solid brass and measures 2 1 4 inches overall with a 2 11 16 inch projection. Thumb turn locking mechanism on adjoining knob. The finish is shown in Polished Chrome and it is also available in a variety of other finishes. Includes adjustable latch (2 3 8