FIG. 1 is a top plan view of an ornamental design for a lower tire iron of the present invention;
FIG. 2 is a front view of an ornamental design for a lower tire iron of the present invention;
FIG. 3 is a right side view of an ornamental design for a lower tire iron of the present invention;
FIG. 4 is a rear view of an ornamental design for a lower tire iron of the present invention;
FIG. 5 is a left side view of an ornamental design for a lower tire iron of the present invention;
FIG. 6 is a bottom plan view of an ornamental design for a lower tire iron of the present invention;
FIG. 7 is a top isometric view of an ornamental design for a lower tire iron of the present invention;
FIG. 8 is a bottom isometric view of an ornamental design for a lower tire iron of the present invention;
FIG. 9 is a top plan view of an ornamental design for an upper tire iron of the present invention;
FIG. 10 is a front view of an ornamental design for an upper tire iron of the present invention;
FIG. 11 is a right side view of an ornamental design for an upper tire iron of the present invention;
FIG. 12 is a rear view of an ornamental design for an upper tire iron of the present invention;
FIG. 13 is a left side view of an ornamental design for an upper tire iron of the present invention;
FIG. 14 is a bottom plan view of an ornamental design for an upper tire iron of the present invention;
FIG. 15 is a top isometric view of an ornamental design for an upper tire iron of the present invention;
FIG. 16 is a bottom isometric view of an ornamental design for an upper tire iron of the present invention;
FIG. 17 is a top front isometric view of an ornamental design for a bead breaker tool, in which said lower tire and said upper tire iron of the present invention are assembled together to form said bead breaker tool; and,
FIG. 18 is a top rear isometric view of an ornamental design for a bead breaker tool, in which said lower tire and said upper tire iron of the present invention are assembled together to form said bead breaker tool.