FIG. 1 is a front perspective view of a storage box handle showing our new design;
FIG. 2 is an alternate front perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevational view, the left side being a mirror image thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear elevational view thereof; and,
FIG. 8 is front elevational view thereof.
The broken line showing of a storage box, in FIGS. 1 and 2, is for illustrative purposes only and forms no part of the claimed design.