FIG. 1 is a perspective view of a truck box showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a left side elevational view, the right side elevational view being a mirror image thereof.
The broken lines shown in FIGS. 1-4 are for illustrative purposes only and form no part of the claimed design.