The tool comes with 4 sets of booms. This means that when clamping, the boom set is locked at the clamping point, so that the tool can be clamped in a total of 4 places at once.
The tool comes with 4 sets of booms. This means that when clamping, the boom set is locked at the clamping point, so that the tool can be clamped in a total of 4 places at once.
