A tool for assembling and disassembling pipe segments (2,2'), wherein said tool in the orientation intended during use comprising: an elongate shaft having an upper end and a lower end; wherein said lower end of said shaft is being connected to a fork portion; wherein said fork portion comprises a fork base; wherein a first fork element extends in a downward direction from said fork base, at a first side thereof; said first fork element comprises an upper end and a lower end; wherein a second fork element extends in a downward direction from said fork base, at a second side thereof; said second fork element comprises an upper end and a lower end; wherein said fork portion comprising adjustment means for adjusting the mutual distance between said first fork element and said second fork element; characterized in that said adjustment means comprises: a slit; a first toothed rack, a second toothed rack, and a sprocket; wherein said fork base comprises said slit, at a lower portion thereof and extending in a longitudinal direction thereof; and wherein said first fork element being connected to said first toothed rack, said first toothed rack being configured to be able to slide in said slit; wherein said second fork element being connected to said second toothed rack, said second toothed rack being configured to be able to slide in said slit; wherein said shaft being pivotally connected to said fork base and being rigidly connected to said sprocket; said sprocket being arranged in said slit; wherein said sprocket is configured for engaging with said first toothed rack and said second toothed rack; thereby allowing translating a rotation of said shaft, in a first or a second rotational direction, into an increase or a decrease of the mutual distance between said first fork element and said second fork element. an elongate shaft having an upper end and a lower end; wherein said lower end of said shaft is being connected to a fork portion; wherein said fork portion comprises a fork base; wherein a first fork element extends in a downward direction from said fork base, at a first side thereof; said first fork element comprises an upper end and a lower end; wherein a second fork element extends in a downward direction from said fork base, at a second side thereof; said second fork element comprises an upper end and a lower end; wherein said fork portion comprising adjustment means for adjusting the mutual distance between said first fork element and said second fork element; characterized in that said adjustment means comprises: a slit; a first toothed rack, a second toothed rack, and a sprocket; a slit; a first toothed rack, a second toothed rack, and a sprocket; wherein said fork base comprises said slit, at a lower portion thereof and extending in a longitudinal direction thereof; and wherein said first fork element being connected to said first toothed rack, said first toothed rack being configured to be able to slide in said slit; wherein said second fork element being connected to said second toothed rack, said second toothed rack being configured to be able to slide in said slit; wherein said shaft being pivotally connected to said fork base and being rigidly connected to said sprocket; said sprocket being arranged in said slit; wherein said sprocket is configured for engaging with said first toothed rack and said second toothed rack; thereby allowing translating a rotation of said shaft, in a first or a second rotational direction, into an increase or a decrease of the mutual distance between said first fork element and said second fork element.