The ornamental design for pair of handles, as shown and described.
FIG. 1 is a perspective view of the left hand handle of a pair of handles showing our new design, the left hand handle is a mirror image of the right hand handle;
FIG. 2 is a rear view of a right-hand handle showing our new design;
FIG. 3 is a front view of the handle of FIG. 2;
FIG. 4 is a right side view of the handle of FIG. 2;
FIG. 5 is a left side view of the handle of FIG. 2;
FIG. 6 is a top view of the handle of FIG. 2; and,
FIG. 7 is a bottom view of the handle of FIG. 2.
The left-hand handle is a mirror image of the right-hand handle.