Premium quality from Nostalgic Warehouse. Complete set including Latch 2 3/8 inch standard back set. Easy installation, with just a screwdriver Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch Knobs also available Premium quality from Nostalgic Warehouse. Complete set including Latch 2 3/8 inch standard back set. Easy installation, with just a screwdriver Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch 10-Year mechanical and finish warranty Knobs also available