USing a special adapter plate, the Hensinger Head Support is mounted to standard Otto Bock hardware. The Hensinger has substantial adjustments in the vertical, horizontal and if desired, lateral planes. Sturdy leather cover wraps around the Hensinger adapter plate so that this unit has the "breakaway" feature. Hardware is also supplied for conversion to a non-breakaway head support if desired. Includes both the Danmar Adapter Plates & Vertical Mount Bar plus Otto Bock connections. Specify Length of Vertical Mount Bar.