Cattle gate tubing??

        --A guy asked me if I would make some modified cattle gates; the 
kinds made in interlocking sections to make temporary corrals, etc. Does 
anyone know what kind of tubing these things are normally made from, i.e. 
diameter, wall thickness, etc?
        --TIA,

-- 
        "Steamboat Ed" Haas         :  Just another Fart in     
        Hacking the Trailing Edge!  :  the Elevator of Life...
                   http://www.nmpproducts.com/intro.htm
                   ---Decks a-wash in a sea of words---