I claim the ornamental design for a cutting tool, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a cutting tool in a partially opened condition;
FIG. 2 is a left elevational view of the cutting tool of FIG. 1 (the right side elevational view being a mirror image thereof);
FIG. 3 is a bottom plan view of the cutting tool of FIG. 1 in a closed condition;
FIG. 4 is another left side elevational view of the cutting tool of FIG. 1 in the closed condition (the right side elevational view being a mirror image thereof);
FIG. 5 is a front elevational view of the cutting tool of FIG. 1 in the closed condition;
FIG. 6 is a top plan view of the cutting tool of FIG. 1 in the closed condition;
FIG. 7 is a perspective view of a second embodiment of a cutting tool in a partially opened condition;
FIG. 8 is a left is a side elevational view of the cutting tool of FIG. 7 (the right side elevational view being a mirror image thereof);
FIG. 9 is a bottom plan view of the cutting tool of FIG. 7 in the closed condition;
FIG. 10 is a side elevational view of the cutting tool of FIG. 7 in the closed condition;
FIG. 11 is a front elevational view of the cutting tool of FIG. 7 in the closed position; and,
FIG. 12 is a top plan view of the cutting tool of FIG. 7 in the closed condition.