These horn button blanks has Black surface and white spot find on back surface The size of blanks remain Diameter from 14MM, 16MM, 19MM, 21MM, 23MM, 26MM, 29MM to 31MM with 6MM Thickness.European Size: 18L, 20L, 24L , 28L, 32L ,36L , 40L , 44L , 48L , 54L
