NEW IN! Pyrite Stop is a proven method of treating and preventing pyrite oxidation in fossil collections. Learn more about pyrite decay in our educational articles!
On/off ball valve. Ball valve QH-QS-4-1/8 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.
1/8 BSP" male thread and 4mm OD push fit (for 4mm polyurethane hose).
Guaranteed safe checkout