Technical Parameter
| Inch | Diameter/mm | Bore/mm | Thickness | Grit |
| 4” | 100 | 20/22.23 | Customized | |
| 4.5” | 115 | 20/22.23 | Customized | |
| 5” | 125 | 20/22.23 | Customized | #40/45 |
| 6” | 150 | 20/22.23 | Customized | #50/60 |
| 7″ | 180 | 20/22.23 | Customized | #100/120 |
| 8” | 200 | 20/22.23 | Customized | |
| 9” | 230 | 20/22.23 | Customized |
