I claim the ornamental design for a multi-purpose tool, as shown and described.
FIG. 1 is a front elevational view of a multi-purpose tool.
FIG. 2 is a rear elevational view thereof.
FIG. 3 is a side elevational view thereof.
FIG. 4 is an elevational view of a side opposite that shown in FIG. 3.
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken line depiction of the multi-purpose tool is for the purpose of showing portions of the multi-purpose tool and forms no part of the claimed design.
The handle is shown broken away to indicate that no particular length is being claimed.