- 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.
![Norton BlueFire Depressed Center Wheels, 4 1/2" Dia, 5/8" Arbor, 1/4" Thick, 24 Grit, 10 PK, #66252843213 Norton BlueFire Depressed Center Wheels, 4 1/2" Dia, 5/8" Arbor, 1/4" Thick, 24 Grit, 10 PK, #66252843213](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/218035/312799/547-66252843213__87582.1590786757.jpg?c=2)