FIG. 1 is a top, front, right perspective view of a blade for hair cutting appliance;
FIG. 2 is a bottom, rear, left perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a rear elevation view thereof; and,
FIG. 8 is a front elevation view thereof.
The broken lines of even length illustrate portions of the blade for hair cutting appliance that form no part of the claimed design. The broken lines of uneven length illustrate the boundary of the claimed design and form no part thereof.