- 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, 5" Dia, 5/8" Arbor, 1/4" Thick, 24 Grit, 10 PK, #66252843217 Norton BlueFire Depressed Center Wheels, 5" Dia, 5/8" Arbor, 1/4" Thick, 24 Grit, 10 PK, #66252843217](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/219548/314287/547-66252843217__98239.1590785838.jpg?c=2)