Large 10" x 4" double-sided, DMT diamond sharpener with coarse (45 microns) and fine (25 microns) grits for restoring an edge on chisels, plane irons, and other cutting tools. A black molded base is included with rubber feet that secure the base to your workbench. The base also has a convenient handle on the underside for moving the stone over a large workpiece, such as an ax.