Technical specifications| Locking elements family | VK800 |
| Shaft diameter | 12 mm |
| Hub diameter | 18 mm |
| Ht | 30 mm |
| Number of screws | 4 |
| Screws measure | M4x10 |
| Pa | 15.4 Kg/mm2 |
| Pn | 10.2 Kg/mm2 |
| Ma | 0.5 Kgm |
| Transmissible torque | 5.8 Kgm |
| d1 | 32 mm |
| H | 26 mm |
| H1 | 23 mm |
| H2 | 14 mm |
| FAX | 970 Kg |
| d2 | 28 mm |
