The ornamental design for a handle for cuttingtool, as shown and described.
FIG. 1 is a perspective view of a handle for cutting tool showing my new design;
FIG. 2 is a front view thereof, the rear view being symmetrical to the front view;
FIG. 3 is a left view thereof;
FIG. 4 is a right view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines depicted as dot-dash-dot should be interpreted as boundaries, and the broken lines depicted as dash-dash-dash depict portions of the handle for cutting tool in which the design is embodied that are not considered part of the claimed design.