FIG. 1 is a front perspective view of the guard bar;
FIG. 2 is a top plan view of the guard bar;
FIG. 3 is a front elevation view of the guard bar;
FIG. 4 is a right hand view of the guard bar, the left hand side view of the guard bar is a mirror image thereof; and,
FIG. 5 is a bottom plan view of the guard bar.
The broken lines are shown for illustrative purposes only and form no part of the claimed design.