We claim the ornamental design for a nestable socket tool, as shown and described.
FIG. 1 is a top perspective view of a nestable socket tool in an unnested state;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof,
FIG. 4 is a top plan view thereof,
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is a top perspective view of the nestable socket tool of FIG. 1 in a nested state.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design, the horizontal broken lines on the side of the design represent an unclaimed edge of the tool handle.