Product Name: Cosmetic Nut, Flat Type; Product Number: EPN-M15FC; Material: Brass; Size: Seat Diameter (A): 0.6 inches (15 mm); Seat Thickness (B): 0.4 inches (9 mm); Screw Diameter M6 x P1.0 mm); Surface: Chrome plating; Accessories: This product does not include any accessories.