FIG. 1 is a front elevational view of the combination tire pressure and tread depth gauge showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view, the left side elevational view being a mirror image;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and

FIG. 6 is an enlarged fragmentary view thereof, showing the tire tread depth and air pressure indicator of FIG. 3.