Height-adjustable telescopic column 34 cm - 51 cm for aluminium helm seat or table. This universal swivelling column is infinitely height-adjustable. The mounting plate is removable and can be rotated and locked in any desired position. It is mounted with slotted holes, bolt circle 175-210mm. The base plate has a diameter of approx. 22.5 cm and has six 7 mm holes for fastening with screws or bolts. Details: