Trailer ball hitch cover kit
FIG. 1 is an environmental perspective view of a trailer ball hitch cover kit showing my new design; 
     FIG. 2 is a front elevational view of the head element with the helmet element removed, the rear, the right side, and the left side being a mirror image thereof; 
     FIG. 3 is a top view thereof; 
     FIG. 4 is a bottom view thereof; 
     FIG. 5 is a front elevational view of the helmet element; 
     FIG. 6 is a rear elevational view thereof; 
     FIG. 7 is a top view thereof; 
     FIG. 8 is a left side elevational view with the right side being a mirror image thereof; and, 
     FIG. 9 is a bottom view thereof. 
     The broken line showing of the vehicle bumper is for illustrative purposes only and forms no part of the claimed design.