This pack contains double the quantity of cylinder components of the starter pack and in addition contains a pressure gauge and two of the unique isonic solenoid valves, which can be operated from a 4.5V to 6V battery.
- Can be operated direct from the bit by bit controller
- If used with the controller, this pack provides a facility identical in principle to modern air systems where a programmable controller controls one or more cylinders
- An unbound handbook is included with this pack