An ornamentaldesign for a utility tool, as shown and described.
FIG. 1 is a perspective view of a utility tool showing my new design.
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a left view thereof.
FIG. 5 is a right view thereof.
FIG. 6 is a top view thereof.
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a perspective view thereof, shown in a position of use.
The broken lines present in the drawings are included for the purpose of illustrating portions of the article which form no part of the claimed design. The dot-dash broken lines represent boundaries of the claim and form no part thereof.