I claim the ornamental design for a handle for a barbecue grill, as shown and described.
FIG. 1 is a front perspective view of a handle for a barbecue grill showing
my new design; FIG. 2 is a front elevational view thereof; FIG. 3 is a top
plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a side
elevational view thereof, the opposite side being identical; FIG. 6 is a
perspective view of a second embodiment thereof; FIG. 7 is a front
elevational view of FIG. 6, the rear view being identical; and, FIG. 8 is
a side elevational view of FIG. 6, the opposite side being identical. The
details shown in broken lines are for illustrative purposes only and form
no part of the claimed design.