We claim the ornamental design for a tool box, as shown and described.
FIG. 1 is a right, front, top perspective view of a tool box showing our new design;
FIG. 2 is a front elevational view thereof, the rear being a mirror image;
FIG. 3 is a left side view thereof; the right side being a mirror image;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a right, rear, and bottom perspective view of a tool box showing our new design. The left, rear, and bottom perspective view being a mirror image thereof.
The broken lines in the drawings illustrate portions of the tool box which form no part of the claimed design.