FIG. 1 shows a side view of an ax handle. FIG. 2 shows an opposing side view thereof. FIG. 3 shows a front view thereof. FIG. 4 shows an end view thereof. FIG. 5 shows an opposing end view thereof. FIG. 6 is a perspective side view thereof; and, FIG. 7 is an opposing perspective side view thereof. The broken lines in the drawings are directed to environment and form no part of the claimed design.