The base support (picture 1) is fixtured at the adapter of the clamping vice with the standardly delivered screws. The interchangeable jaws - held by 2 permanent magnets - can be inserted and exchanged with a manual handle.
Pull the jaw upwards with the manual handle until the alignment pin strikes against the slot.
Twist the jaw sideways and remove.
New jaw can be inserted.
Datasheet EH 23231. Interchangeable Jaws – for vices, with pull-down effect