... InchIADC CODE3 1/2 211, 121, 241, 537….3 7/8 131, 211, 537, 517….4 1/2 211, 121, 241, 537….4 3/4 131 ... , 211, 537, 517….5 1/2 131, 211, 537, 517 ... 537…. 12 1/2 211, 121, 241, 537….14 3/4 131, 211, 537, 517….15 1/2 211, 121, 241, 537….17 1/2 131, 211 ... , 537, 517….18 1/2 211, 121 ...