The ornamental design for a tool handle, as shown and described.
FIG. 1 is a perspective view of a tool holder in accordance with the
present design;
FIG. 2 is a front elevational view thereof, the rear elevational view being
a mirror image thereto;
FIG. 3 is a top plan view thereof, the bottom plan view being a mirror
image thereto;
FIG. 4 is a left side elevational view thereof, the right side elevational
view being a mirror image thereto; and,
FIG. 5 is a perspective view thereof, wherein the broken line portions of
the view are for illustrative purposes only and form no part of the
claimed design.