The ornamental design for a probe handle, as shown and described.
FIG. 1 is a left, front and top perspective view of a probe handle, showing our new design;
FIG. 2 is a right, back and bottom perspective view of the probe handle of FIG. 1;
FIG. 3 is a left side view of the probe handle of FIG. 1;
FIG. 4 is a front view of the probe handle of FIG. 1;
FIG. 5 is a right side view of the probe handle of FIG. 1;
FIG. 6 is a back view of the probe handle of FIG. 1;
FIG. 7 is a top view of the probe handle of FIG. 1; and,
FIG. 8 is a bottom view of the probe handle of FIG. 1.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.