These horn button blanks appear dark surface one or two light line appear on its 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
