Abstract: An impact puller and installer of the type including a support shaft having an enlarged abutment on one end and an enlarged adapter on the other end is provided. A combined handgrip and impact member is slidably mounted on the shaft between the abutment and the adapter for selective impact therewith and the end of the adapter remote from the abutment includes an externally threaded end portion for threaded engagement within a central bore formed in a disc to be pulled or installed. A second adapter is provided and is in the form of an elongated sleeve having a threaded bore formed therethrough including an enlarged counterbore at one end.