Receiver Tube, Receiver Tube, 2-1/2" I.D.,Black powder coat or plain finish.5/8" Hitch pin hole. Various lengths available Receiver Tube, 2-1/2" I.D. x 12", Plain Finish , 5/8" Hitch pin hole. Receiver Tube, 2-1/2" ID x 18", Plain Finish, 5/8" Hitch pin hole.Receiver Tube, 2-1/2" ID x 8", Plain Finish, 5/8" Hitch pin hole. Receiver Tube