The ornamental design for pliers handle, as shown and described.
FIG. 1 is a perspective view of a pliers handle showing my new design;
FIG. 2 is a front view thereof,
FIG. 3 is a rear view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is a right view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown in the drawings illustrating portions of a pliers handle are included to demonstrate environmental structures and form no part of the claimed design.