The ornamental design for a tool handle, as shown and described.
FIG. 1 is an isometric view of a first embodiment of a tool handle incorporating my new design, wherein the portions illustrated in dotted lines form no part of the claimed design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines depict portions of the tool handle in which the design is embodied that are not considered part of he claimed design. The dot-dash-dot lines define the boundary of the claimed invention.