Emtek Crystal Old Town Clear Door Knob Set With Rectangular Rosette - This crystal constructed door knob set features an elegant clear design. Measures 2 1/4 inches overall with a 2 3/4 inch projection. This knob set with fit any door thickness between a standard 1 3/8 inch to a 2 1/4 inch thick. This door knob set is available in several finishes and functions. This particular product has a lead time of approximately 3 to 5 business days.