Reason for defective product: As shown in the 4th and 5th photos, there are areas where the plating is chipped. There may be one or several such areas. Rhodium-colored plating is prone to peeling. Please understand this before purchasing. Colors: KC Gold, Rhodium There are 10 pieces of each color, for a total of 20 pieces. Size: Approximately 54mm long, 28mm wide. Thank you.