The ornamental design for a scale, as shown and described.
FIG. 1 is a front view of the scale showing our new design.
FIG. 2 is a rear view of the scale of FIG. 1.
FIG. 3 is a top view of the scale of FIG. 1.
FIG. 4 is a bottom view of the scale of FIG. 1.
FIG. 5 is a left side view of the scale of FIG. 1.
FIG. 6 is a right side view of the scale of FIG. 1.
FIG. 7 is a top, front, and right perspective view of the scale of FIG. 1; and,
FIG. 8 is a rear and bottom perspective view of the scale of FIG. 1.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken line showing in FIGS. 1-8 illustrates the environment, which forms no part of the claimed design. The shade lines in the figures show contour, not surface ornamentation and form no part of the claimed design.