We have created a line of unique and affordable custom cabinetry hardware, which allows you to pair beautiful, polished Petoskey Stones with the metal finish of your choice. Petoskey Stone Knobs come in following three styles: Classic, Design and Natural. The cabinet knobs are available in the following metal finishes: Antique Copper, Antique Pewter, Black Nickel, Burnished Brass, Oil-Rubbed Bronze, Polished Brass, Polished Chrome, and Satin Nickel.