Abstract: A plumbing tool is constructed for installing and removing plumbing parts such as tub and sink drains that are engaged together by conventional right-hand threads, one within another. The tool can also be constructed to remove or install left-hand parts. The plumbing extraction and installation tool has an elongated core member with a stud at one end, a cylindrical intermediate section threaded with right-hand threads, and an outwardly flared frustoconical section at the end opposite the stud. A barrel member is internally threaded with right-hand threads at one end and a radial channel is defined in its inwardly facing wall. This channel is bounded by a radially inwardly directed annular lip at its lower extremity. A plurality of wedge members have hooks or tangs at their upper proximal ends that are captured between the barrel member and the core member.