This operatory system includes 400-008 Left/Right Swing Posts and Bracket with Bushing (only available on Helix Operatory), H-3600 3 Handpiece Automatic Control, Top Post Mount System (only available on Helix Operatory), H-5200 Telescoping Vacuum Arm (available on Helix Only), and an Aerolight Operatory Light. The chair is not included with this package.