The Caterham Quick Release Steering Column Includes Quick Release Boss for swift removal and refitting of steering wheels in tight cockpits.The Steering Column itself attaches to the existing positions on the steering rack and the spline is specific to the Caterham quick release boss supplied with the kit. The boss is supplied with a 3 bolt fixing pattern which attaches to the quick release mechanism through a bearing system providing smooth and positive steering feedback. The quick release mechanism is a simple and quick method of removal simply pull and remove, or push onto the spline and into place.This item is an ideal addition if your cockpit is particularly tight or you move in and out regularly and find the steering wheel an obstruction.