| Head diameter x shaft diameter x shaft length | Designation | Material | Item-no. |
| 9 mm x 3.6 mm x 3 mm | Upper part | brass | 66P15/O-1 |
| 9 mm x 2.8 mm x 9 mm | Lower part | brass | 66P15/U-1 |
| 13 mm x 4 mm x 4 mm | Upper part | brass | 66P30/O-1 |
| 13 mm x 3.5 mm x 13 mm | Lower part | brass | 66P30/U-1 |
| 13 mm x 4.2 mm x 4 mm | Upper part | Iron | 66P31/O-1 |
| 13 mm x 3.3 mm x 11 mm | Lower part | Iron | 66P31/U-1 |