- Hybrid compact disc design – Flaps are compressed and compacted at a 4 degree angle for more edge strength during rough grinding and edge work.
- 20% more material than regular Z3 flap discs.
                    Unit of Measure
                    
               
        
            | Units Per Package | N/A 10 | 
| Size | N/A 4-1/2" x 5/8"11 | 
| Grit | N/A 40 | 
| RPM | N/A 13300 | 
