FIG. 1 is a front view of a collar wrench in accordance with the present design;
FIG. 2 is a back view thereof;
FIG. 3 is a right side view thereof, the left side view being a mirror image thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a front perspective view thereof showing the collar wrench in a disengaged or resting positon; and
FIG. 7 is a second front perspective view thereof showing the collar wrench in an engaged position.
FIG. 8 is a front perspective view of a second embodiment of the present design;
FIG. 9 is a front perspective view of a third embodiment of the present design; and,
FIG. 10 is a front perspective view of a fourth embodiment of the present design.
The broken lines shown in the drawings show unclaimed subject matter only and form no part of the claimed design.