- DIN875 grade 0
- Made of hardened stainless steel
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| Squareness | |||||||
| Code | Size (LxW) | Inside(α) | Outside(β) | C | D | H | E(mm) |
| 4792-50 | 50x40mm | 6µm | 6µm | 12 | 12 | 3 | 10 |
| 4792-75 | 75x50mm | 6µm | 7µm | 14 | 14 | 3 | 10 |
| 4792-100 | 100x70mm | 7µm | 7µm | 18 | 18 | 3 | 10 |
| 4792-150 | 150x100mm | 7µm | 8µm | 22 | 22 | 4 | 12 |
| 4792-200 | 200x130mm | 9µm | 9µm | 25 | 25 | 4 | 12 |
