Rigid Steel Conduit, 1" OD, 3/4" ID, threaded at one end. Heavy enough for building, monkey bars, shelving, closet hangar-bars, etc. 12 pcs. 8' 10" ($12.00 each), 12 pcs. 1' ($1.00 each), 12 pcs. 3'-5' ($5.00 each). Also have some bases, joints and caps. Prices OBO. Cash only, please. Phone or text for quickest response.