Add easy height adjustment from +3″ to +21″ to any Oberwerk Wooden Tripod. The center column is a satin-finished carbon-fiber tube, with a large winged column lock, for a fast and smooth height adjustment range of 18″. Perfect for sharing the view between people of different heights, as well as getting a binocular high overhead for astronomical viewing while standing. Meant for use with the Oberwerk 5000 head (or any Manfrotto head), and a maximum load of 16 lbs. Not for use with the Oberwerk 25/40×100 or BT-100-45.