On/off ball valve. Ball valve QH-QS-6-1/8 with QS push-in connector. Hand lever and female thread. These are the on/off valves we use for our PRO Range of air scribes. They are very well made, sturdy, easy to use and reliable. 

• Valve function=2/2 bistable, Pneumatic connection, port 1=R1/8"
• Pneumatic connection, port 2=QS-6
• Type of actuation=manual
• Mounting type=Threaded

1/8" BSP male thread and 6mm OD push fit (for 6mm polyurethane hose).