BlueFire Depressed Center Wheels, 4 1/2" Dia, 7/8" Arbor, 1/4" Thick, 24 Grit

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.