- High performance aluminum oxide grain for long life and high material removal
- High grain concentration for aggressive grinding action and smoother running wheels
- Proprietary material mix ensures durable long life wheels
- 3 full sheets of fiberglass for durability and safety
- 4" diameter; 1/4" thickness; 5/8" arbor size
A24R grit; maximum RPM: 15,200; application: metal grinding.