FIG. 1 is an enlarged perspective view of one end of a composite decking plank embodying the invention;

FIG. 2 is an end view of the composite decking plank depicted in FIG. 1;

FIG. 3 is a top view of the composite decking plank;

FIG. 4 is a bottom view of the composite decking plank; and,

FIG. 5 is a side view of the composite decking plank.