The ornamental design for a multi-purpose tool, as shown and described.
FIG. 1 is a perspective view of a multi-purpose tool showing our new design according to one embodiment;
FIG. 2 is a side view thereof;
FIG. 3 is an alternate side view thereof;
FIG. 4 is front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is an environmental view of the multi-purpose tool in use; and,
FIG. 9 is another environmental view of the multi-purpose tool in use.
The broken lines in FIGS. 8 and 9 that are not part of the multi-purpose tool are directed to environment and form no part of the claim. All other broken lines in the drawings illustrate elements and features of the tool that also form no part of the claim.