Product Name: Cosmetic Nut, Flat Type; Product Number: EPN-D20FG; Material: Brass; Size: Seat Diameter (A): 0.8 inches (20 mm); Seat Thickness (B): 0.3 inches (8 mm); Screw Diameter M6 x P1.0 mm); Surface: Gold Plating; Accessories: Accessories not included with this product.