Specification for Ball knob; Ø: 50mm; Ext.thread: M12; 21mm; twistable,with lever
| Version | twistable, with lever |
| Body colour | black |
| Diameter | 50mm |
| Thread length | 21mm |
| Type of mounting element | ball knob |
| External thread | M12 |
| Version | twistable, with lever |
| Body colour | black |
| Diameter | 50mm |
| Thread length | 21mm |
| Type of mounting element | ball knob |
| External thread | M12 |