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The spindle tube – also known as the height tube – is the centre section of spiral staircases. The wooden or metal steps are attached to it. The Minka newel tubes are manufactured using laser technology and have prefabricated cut edges. Along these, single rings can simply be broken off the tube with a screwdriver or similar. This means that the height of the spindle tubes and therefore also the rise of the staircase can be flexibly adapted to the room.


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