FIG. 1 is an orthographic projection of a single-step tool box showing our new design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a back elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof.