Porcelain Ceramic with Brushed Nickel hardware Door Knob Set with many Exclusive Features. Wonderful Premium Set, Engineered to fit all Modern pre-drilled Doors right out of the package (PASSAGE) Engineered for Modern pre-drilled Doors without the use of adapters, everything needed is included Contains All hardware needed to install right out of the package, including instructions Exclusive Porcelain Ceramic Door Knob Porcelain Ceramic with Brushed Nickel hardware Door Knob Set Finest Antique Reproductions-The latch set is engineered to fit both 2 3/8" or 2 3/4" backset 40 years of experience making hardware