... : 2.54mm Number of Contacts : 6, 8, 10, 12, 14, 16, 20, 24, 26, 30, 34, 36, 40, 44, 50, 60, 64 ... , 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 ... , 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 ...