Rigid Steel Couplings 3/4" - Rigid Steel Couplings are used to join 2 lengths of threaded rigid conduit.Rigid Steel Couplings 3/4" features include: Connects threaded rigid conduitZinc Plated Steel Concrete Tight Male Hub Thread Order Qty of 1 = 1 Pieces Below is more info on our Rigid Steel Couplings 3/4"