Build an unlimited array of strong rigid structures combining standard black iron (unthreaded) pipe or galvanized (threaded - on one side) pipe (schedule 40), with any combination of corresponding sized Kee Klamp® fittings. Pipe sizes are available from 1.05" to 2.375" (outside diameter). Standard pipe length is 21 ft., with cut lengths available upon request. A cutting charge will be added per cut length of piping.