Knife blade

[0001]FIG. 1 is a right, rear perspective view of a knife blade embodying the new design;

[0002]FIG. 2 is a left, front perspective view of the knife blade;

[0003]FIG. 3 is a right side elevation view of the knife blade;

[0004]FIG. 4 is a left side elevation view of the knife blade;

[0005]FIG. 5 is a top side elevation view of the knife blade;

[0006]FIG. 6 is a bottom side elevation view of the knife blade; and,

[0007]FIG. 7 is a front side elevation view of the knife blade.

[0008]The broken lines depict portions of the knife blade in which the design is embodied that are not considered part of the claimed design.