We claim the ornamental design for a handle for a handheld tool, as shown and described.
FIG. 1 is a front perspective view of a handheld tool in accordance with an embodiment of the invention.
FIG. 2 is a left side view of the handheld tool of FIG. 1.
FIG. 3 is a right side view of the handheld tool of FIG. 1.
FIG. 4 is a top view of the handheld tool of FIG. 1.
FIG. 5 is a bottom view of the handheld tool of FIG. 1.
FIG. 6 is a front view of the handheld tool of FIG. 1; and,
FIG. 7 is a rear view of the handheld tool of FIG. 1.
The portions of the handheld tool shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design.