Tool comprising: - a first section and a second section slidingly associated with the first section with respect to a sliding axis, - a working member, - a rotational drive assembly of the working member provided with: ∘ a first drive shaft rotatably associated with the first section with respect to a first rotation axis, ∘ a second drive shaft rotatably associated with the second section with respect to a second rotation axis and to which the working member is rotationally associated, ∘ a first pulley integral in rotation with the first drive shaft and a second pulley integral in rotation with the second drive shaft, ∘ a flexible transmission member at least partially wound around the first pulley and the second pulley for the transmission of a rotary motion between the two pulleys, - a tensioning assembly of the flexible transmission member, said tensioning assembly being configured to push the second section away from the first section along the sliding axis, wherein the tensioning assembly comprises an elastic body interposed between the first section and the second section and configured to push the second section in a direction away from the first section along the sliding axis, the tool comprising an end-of-stroke assembly configured to limit the minimum distance between the first drive shaft and the second drive shaft along the sliding axis, preventing the second drive shaft from moving towards the first drive shaft, wherein the end-of-stroke assembly is configured to allow a variation in the value of the minimum distance between the first drive shaft and the second drive shaft. - a first section and a second section slidingly associated with the first section with respect to a sliding axis, - a working member, - a rotational drive assembly of the working member provided with: ∘ a first drive shaft rotatably associated with the first section with respect to a first rotation axis, ∘ a second drive shaft rotatably associated with the second section with respect to a second rotation axis and to which the working member is rotationally associated, ∘ a first pulley integral in rotation with the first drive shaft and a second pulley integral in rotation with the second drive shaft, ∘ a flexible transmission member at least partially wound around the first pulley and the second pulley for the transmission of a rotary motion between the two pulleys, ∘ a first drive shaft rotatably associated with the first section with respect to a first rotation axis, ∘ a second drive shaft rotatably associated with the second section with respect to a second rotation axis and to which the working member is rotationally associated, ∘ a first pulley integral in rotation with the first drive shaft and a second pulley integral in rotation with the second drive shaft, ∘ a flexible transmission member at least partially wound around the first pulley and the second pulley for the transmission of a rotary motion between the two pulleys, - a tensioning assembly of the flexible transmission member, said tensioning assembly being configured to push the second section away from the first section along the sliding axis, wherein the tensioning assembly comprises an elastic body interposed between the first section and the second section and configured to push the second section in a direction away from the first section along the sliding axis, the tool comprising an end-of-stroke assembly configured to limit the minimum distance between the first drive shaft and the second drive shaft along the sliding axis, preventing the second drive shaft from moving towards the first drive shaft, wherein the end-of-stroke assembly is configured to allow a variation in the value of the minimum distance between the first drive shaft and the second drive shaft.