... , 21,205/8''1627, 26, 25, 24, 23, 223/4''2025, 24, 23, 22, 21, 20, 191''2525, 24, 23, 22, 21, 20, 19, 181 ... 22, 21, 20, 19, 181-1/2''40 22, 21, 20, 19, 18,172''5022, 21, 20, 19, 18,17,16,15,143''75 ... 21, 20, 19, 18,17,16,15,144''100 ... 17, 16,15,14 Hexagonal Wire ...