The ornamental design for a tool handle, as shown and described.
FIG. 1 is a perspective view of a tool handle showing my new design;
FIG. 2 is a front view of the tool handle of FIG. 1;
FIG. 3 is a side view of the tool handle of FIG. 1;
FIG. 4 is a top view of the tool handle of FIG. 1;
FIG. 5 is a bottom view of the tool handle of FIG. 1; and,
FIG. 6 is a back view of the tool handle of FIG. 1.
The broken line showing of portions of the tool handle is included for the purpose of illustrating environmental structure and forms no part of the claimed design.
The crisscross pattern is included for the purpose in highlighting the claimed surfaces. This pattern does not represent texture or pattern on the tool handle.