Traditional mounting for vintage or new doors. Complete set including Latch 2 3/8 inch standard back set. Classic Round Knob Full 3-Year Warranty Bright Chrome Finish Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch Forged Brass Classic Round Knob Full 3-Year Warranty Bright Chrome Finish Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch