The ornamental design for a tungstenrodholder, as shown and described.
FIG. 1 is a front elevational view showing my new design with the button shown in phantom lines for illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a top view of FIG. 1 showing my new design;
FIG. 3 is a bottom view of FIG. 1 showing my new design;
FIG. 4 is a perspective view of FIG. 1 showing my new design;
FIG. 5 is an alternative embodiment of FIG. 1 showing my new design; and,
FIG. 6 is a perspective view of FIG. 5 showing my new design.