FIG. 1 is a front, top, and right perspective view of a metal guard set for electronic device case, showing a first embodiment of claimed design;
FIG. 2 is a front view the first embodiment and a back view thereof is a mirror image;
FIG. 3 is a left side view of the first embodiment and a right view thereof is a mirror image;
FIG. 4 is a top view of the first embodiment;
FIG. 5 is a bottom view of the first embodiment;
FIG. 6 is a first reference view of the first embodiment, which shows the first embodiment of the claimed design before being attached to an electronic device case;
FIG. 7 is a second reference view of the first embodiment, which shows the first embodiment of the claimed design being attached to the electronic device case;
FIG. 8 is a front, top, and right perspective view of a metal guard set for electronic device case, showing a second embodiment of the claimed design;
FIG. 9 is a front view the second embodiment and a back view thereof is a mirror image;
FIG. 10 is a left side view of the second embodiment and a right view thereof is a mirror image;
FIG. 11 is a top view of the second embodiment;
FIG. 12 is a bottom view of the second embodiment;
FIG. 13 is a first reference view of the second embodiment, which shows the second embodiment of the claimed design before being attached to an electronic device case;
FIG. 14 is a second reference view of the second embodiment, which shows the second embodiment of the claimed design being attached to the electronic device case;
FIG. 15 is a front, top, and right perspective view of a metal guard set for electronic device case, showing a third embodiment of the claimed design;
FIG. 16 is a front view the third embodiment and a back view thereof is a mirror image;
FIG. 17 is a left side view of the third embodiment and a right view thereof is a mirror image;
FIG. 18 is a top view of the third embodiment;
FIG. 19 is a bottom view of the third embodiment;
FIG. 20 is a first reference view of the third embodiment, which shows the third embodiment of the claimed design before being attached to an electronic device case;
FIG. 21 is a second reference view of the third embodiment, which shows the third embodiment of the claimed design being attached to the electronic device case;
FIG. 22 is a front, top, and right perspective view of a metal guard set for electronic device case, showing a fourth embodiment of the claimed design;
FIG. 23 is a front view the fourth embodiment and a back view thereof is a mirror image;
FIG. 24 is a left side view of the fourth embodiment and a right view thereof is a mirror image;
FIG. 25 is a top view of the fourth embodiment;
FIG. 26 is a bottom view of the fourth embodiment;
FIG. 27 is a first reference view of the fourth embodiment, which shows the fourth embodiment of the claimed design before being attached to an electronic device case; and,
FIG. 28 is a second reference view of the fourth embodiment, which shows the fourth embodiment of the claimed design being attached to the electronic device case.
The broken lines shown in FIGS. 6, 7, 13, 14, 20, 21, 27, and 28 depict environment and form no part of the claimed design.