Nový typ má 3 šrouby z čela lišty
Varianty
| Dorn | Objednací číslo |
| 30 mm dorn | 19.991.028 |
| 35 mm dorn | 19.991.038 |
| 40 mm dorn | 19.991.048 |
| 45 mm dorn | 19.991.058 |
| 55 mm dorn | 19.991.068 |
| Dorn | Objednací číslo |
| 30 mm dorn | 19.991.028 |
| 35 mm dorn | 19.991.038 |
| 40 mm dorn | 19.991.048 |
| 45 mm dorn | 19.991.058 |
| 55 mm dorn | 19.991.068 |