Designed for granite,marble and other natural stone. Using sandwich steel core can reduce noise effictively.
The segment is also sandwich type.
Specifications：
| Diameter（MM） | Segment Height（MM） | Bore（MM） |
| 300 | 15 | 60 |
| 350 | 15 | 60 |
| 370 | 15 | 50/60 |
| 400 | 15 | 60 |
| 420 | 15 | 60 |
| 450 | 15 | 60 |
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