The ornamental design of a handle, as shown and described.
FIG. 1 is an isometric view of a fifth embodiment of a handle incorporating our new design, wherein the portions illustrated in dotted lines form no part of the claimed design;
FIG. 2 is a front elevation view thereof; the rear elevation view being a mirror image thereof;
FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines depict portions of the handle in which the claimed design is embodied that are not considered of part of the claimed design. The irregular broken lines illustrate and unclaimed boundary.