Support base for holding sharpening stones

FIG. 1 is a top plan view of a support base for holding sharpening stones, showing my new design;

FIG. 2 is a front elevation view of the support base illustrated in FIG. 1;

FIG. 3 is a bottom plan view of the support base illustrated in FIG. 1;

FIG. 4 is a rear elevation view of the support base illustrated in FIG. 1;

FIG. 5 is a right end elevation view of the support base illustrated in FIG. 1;

FIG. 6 is a left end elevation view of the support base illustrated in FIG. 1; and,

FIG. 7 is a front perspective view of the support base shown in FIG. 1.

The broken line showing of the sharpening stones in FIG. 7 is for illustrative purposes only and forms no part of the claimed design.