- The base is made of black granite that stays free of burrs and build-ups due to its fine-grain composition.
- Easy maintenance due to the non-rusting base.
Specifications:
| Order No. | Granite base size (WxDxH) (mm) | Clamping range (mm) | Stem hole (mm) |
| 215-150-10 | 120x180x50 | 110 | ø8, ø9.53 |
| 215-151-10 | 150x200x50 | 250 | ø8, ø9.53 |
| 215-153-10 | 200x250x80 | 260 | ø8, ø9.53 |
| 215-156-10 | 300x250x80 | 275 | ø8, ø9.53, ø20 |
