We claim the ornamental design for a dental lab clip and spacer set, as shown and described.
FIG. 1 is an exploded perspective view of a dental lab clip and spacer set, showing our new design;
FIG. 2 is an exploded top plan view thereof;
FIG. 3 is an exploded bottom plan view thereof;
FIG. 4 is an exploded front elevational view thereof, the rear elevational view, left-side elevational view, and right-side elevational view all being a mirror image thereof; and,
FIG. 5 is a cross-sectional view thereof, taken generally along lines 5-5 of FIG. 4.