Nostalgic Warehouse Mission Plate with Black Porcelain Knob, Privacy - 2.375", Satin Nickel Traditional mounting for vintage or new doors. Complete set including Latch 2 3/8 inch standard back set. Coordinates with Nostalgic Warehouse's Premium Grandeur line Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch Mortise lock versions available for vintage doors 3-Year mechanical and finish warranty