... C80.1 2)Thread conduit 3)Size:1/2" to 4" 4)galvanized steel,protect the wire... 1.size: 1/2 ... ", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", ... 3", 3-1/2", 4"2.materianl: China, GB/T 700: Q195; USA, Gr ... Standard Pipe1.781/2"305020.62.4115 1.913/4"3050263.2510 2.161"305032.64.588 2.161 ... Wall Pipe1.981/2"305020.62.7715 2.103/4"3050263.7710 2.351"305032.65.358 2.421 ...