Norton 66252836573 gemini bench and pedestal wheel 6" x 1/2" x 1" 120 grit silicon carbide the norton bench and pedestal wheel line consists of all wheel diameters and arbor sizes, abrasive types and grit sizes. Our offering answers all metal removal, deburring, shaping and sharpening needs: white aluminum oxide for high-speed tool steels, brown aluminum oxide for carbon steel, and silicon carbide for non-ferrous metals and carbide tooling. Sharp, green silicon carbide general purpose applications on carbide tooling and nonferrous materials -extra fine for sharpening and final finishing.