FIG. 1 is a top perspective view of my new design for a dual hollow square wrench handle;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a back view thereof;
FIG. 7 is a top view thereof; and
FIG. 8 is a bottom view thereof.
FIG. 9 is an alternate embodiment top perspective view of my new design for a dual hollow square wrench handle;
FIG. 10 is a right side view thereof;
FIG. 11 is left side view thereof;
FIG. 12 is a top view thereof; and,
FIG. 13 is a bottom view thereof.
The broken lines depict portions of the dual hollow square wrench handle that form no part of the claimed design.