Abstract: The present invention relates to a combination tool including an oil plug wrench and an integrally constructed elongated oil filler trough. To accommodate oil plugs of the type having a cap portion with upstanding studs or protrusions, the combination tool includes a wrench end with one or more openings formed therein to receive the upstanding protrusions from the oil cap. Integrally constructed with the wrench end is a trough-like device that is adapted to receive and channel oil towards an exiting end thereof. Additionally there is provided a can opener about the exiting end of the formed oil filler trough.