Tiger Zirc Grinding Wheels, 4 1/2 in Dia, 1/4 in Thick, 5/8 in-11 Arbor

Ceramic-infused grinding wheels deliver the fastest cutting with the least effort. Self-sharpening zirconia alumina grain retains high cutting performance. Triple fiberglass reinforcement provides added strength for aggressive stock removal. Best for use on steel, structural steel and iron. Type 27 grinding wheels are designed with fiberglass cut back from the edge to provide instant aggressive grinding right out of the box.