The ornamental design for a washer for a shank of a toolpick, as shown.
FIG. 1 is a perspective view of a first embodiment of a washer for a shank of a tool pick.
FIG. 2 is a front view of the first embodiment of the washer for a shank of a tool pick.
FIG. 3 is a rear view of the first embodiment of the washer for a shank of a tool pick.
FIG. 4 is a left-side view of the first embodiment of the washer for a shank of a tool pick.
FIG. 5 is a right-side view of the first embodiment of the washer for a shank of a tool pick.
FIG. 6 is a top view of the first embodiment of the washer for a shank of a tool pick.
FIG. 7 is a bottom view of the first embodiment of the washer for a shank of a tool pick; and,
FIG. 8 is an offset view of the first embodiment of the washer for a shank of a tool pick on a shank of a tool pick installed on a blade of mining and construction equipment.