- DIN875 grade 0
- Made of hardened stainless steel
 |
 |
| Squareness | ||||||
| Code | Size (LxW) | Inside(α) | Outside(β) | C | D | H(mm) |
| 4791-50 | 50x40mm | 6µm | 6µm | 13 | 13 | 4 |
| 4791-75 | 75x50mm | 6µm | 7µm | 15 | 15 | 4 |
| 4791-100 | 100x70mm | 7µm | 7µm | 20 | 20 | 5 |
| 4791-150 | 150x100mm | 7µm | 3.5µm | 30 | 30 | 6 |
| 4791-200 | 200x130mm | 8µm | 9µm | 30 | 30 | 7 |
| 4791-250 | 250x165mm | 9µm | 10µm | 35 | 35 | 7 |
| 4791-300 | 300x200mm | 10µm | 11µm | 40 | 40 | 8 |
