FIG. 1 is a perspective view of pull handle for suitcase showing my design; FIG. 2 is a front elevational view thereof; FIG. 3 is a rear elevational view thereof; FIG. 4 is a left elevational view thereof; FIG. 5 is a right elevational view thereof; FIG. 6 is a top elevational view thereof; and, FIG. 7 is a bottom elevational view thereof.