| Iwọn opin (mm) | Giga (mm) | Iwọn |
| φ800 | Ọdun 1730 | 978 |
| φ1000 | Ọdun 1730 | 1178 |
| φ1200 | Ọdun 1730 | Ọdun 1429 |
| φ1500 | Ọdun 1730 | Ọdun 1773 |
| Ọdun 1800 | Ọdun 1730 | 2621 |
| φ2000 | Ọdun 1730 | 3012 |
| φ2200 | Ọdun 1730 | 3369 |
| φ2500 | Ọdun 1730 | 3904 |
Eyikeyi ibeere siwaju, jọwọ lero free lati kan si pẹlu wa.