I claim the ornamental design for a combination implement tool, as shown and described.
FIG. 1 is a top view of the combination implement tool;
FIG. 2 is a left side perspective view of the combination implement tool shown in FIG. 1;
FIG. 3 is an enlarged partial front detail view of the combination implement tool shown in FIG. 1;
FIG. 4 is a rear view of the combination implement tool as shown in FIG. 1;
FIG. 5 is an enlarged partial top view of the combination implement tool as shown in FIG. 1;
FIG. 6 is an enlarged partial left side detail view of the combination implement tool as shown in FIG. 1; and,
FIG. 7 is an enlarged partial rear detail view of the combination implement tool as shown in FIG. 1. The handle of the pull string being rotated 90 degrees.
The views of FIGS. 3, 5, 6 and 7 are shown fragmented for clarity of illustration.