Lot of 8 : Galvanized Steel Threaded 3" INCH COUPLING/COUPLER. Rigid Conduit - as for the size I am not sure PLEASE LOOK at the pictures provided the inside diameter is less than 3 inches o.k. - so use you best judgement - these are only dirty from sitting in a shop for 30 years I just purchased an Estate - the man of the Home was an electrical contractor that never threw anything away most are High quality items, USA.
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