A tool to aid in the installation of garbage disposal units through the facilitation of lifting such a unit to the drain portion of a sink is provided. Such a tool permits a single user to retain and maneuver a disposal unit into position in order to facilitate attachment thereof to a sink drain with reliability and consistency. Such a tool includes moveable rods of sufficient strength and rigidity to accommodate the disposal unit weight at specific levels such that the user may place and lift the disposal unit on demand without deleteriously effecting the finish or other portions of the subject sink to marring during such installation. The method of installation utilizing such a manual tool is encompassed within the invention as well.