Foot File Blade

FIG. 1 is a front bottom perspective view of a foot file blade shown my new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left side view thereof; FIG. 5 is a right side view thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof. The dot-dash broken lines illustrate a boundary of the claimed design. The dash-dash broken lines illustrate portions of the foot file blade that form no part of the claimed design. All broken lines and unshaded surfaces bounded by broken lines form no part of the claimed design.