Nostalgic Warehouse Victorian Plate with Keyhole Crystal Glass Knob, Passage - 2.375", Oil-Rubbed Bronze Traditional mounting for vintage or new doors. Complete Passage Set. Coordinates with Nostalgic Warehouse's Premium Grandeur line Standard door thickness range is 1-3/8-Inch to 1-3/4-Inch. Comes with standard 2-3/8 backset Mortise lock versions available for vintage doors 3-Year mechanical and finish warranty