We claim the ornamental design for a handle configuration, as shown and described.
FIG. 1 is a top-right side perspective of a Handle Configuration embodiment of the present invention;
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;
FIG. 6 is a left-side elevational view of the FIG. 1 perspective view thereof; and,
FIG. 7 is a right-side elevational view of the FIG. 1 perspective view thereof.
The broken lines shown in FIGS. 1-7 illustrate portions of the handle configuration that form no part of the claimed design. the dash-dot lines shown in FIGS. 1-7 illustrate the bounds of the claim and form no part of the claimed design.