For hard aggregates,granite,marble and engineering bricks.
Specifications：
| Diameter（MM） | Segment Height（MM） | Bore（MM） |
| 105 | 7/8/9/10 | 20/22.23 |
| 110 | 7/10 | 20/22.23 |
| 115 | 7/10/12 | 20/22.23/25.4 |
| 125 | 7/8/9/10/12 | 20/22.23 |
| 150 | 7/9/10/12 | 22.23/25.4 |
| 180 | 7/9/10/12 | 22.23/25.4 |
| 230 | 7/8/9/10/12 | 22.23/25.4 |
| 250 | 7/9/10/12 | 22.23/25.4 |
| 300 | 8/9/10/12 | 20/22.23/25.4 |
| 350 | 8/10/12 | 20/22.23/25.4 |
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