This model does not come with a post mount and chair. It’s a delivery system that offers automatic control for hand pieces and a deluxe utility center. Flexibility is provided with the control arm with pneumatic braking technology. The mater control block can come with either pneumatic or pinch valves. For vertical travel, the system is 28-inches, for horizontal travel, it’s 62-inches. It’s a versatile system that comes with features such as a master air shut-off valve, hand piece flush, air coolant adjustment, an air pressure regulator with a filter, and more. Its umbilical is external.