Depressed Center Wheel, 5 in Dia, 1/8 in Thick, 5/8 Arbor, Zirconia/Alum.

Features: A blend of R&D advanced chemistry and shaped zirconia alumina abrasive and premium aluminum oxide grain. | Up to 20 percent increase in performance and life over our former zirconia alumina wheels. | Excellent performance-to-price ratio for lower total grinding costs.