Replacement Blade for a Cutter Knife

FIG. 1 is a top perspective view of a replacement blade for a cutter knife;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan rear elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines in the drawings illustrate portions of the replacement blade for a cutter knife that form no part of the claimed design. A rear elevation view is not shown because nothing from that view is part of the claimed design.