Universal all steel valve key for most airsoft bb gun CO2 and gas magazine. This valve key can be used to remove and install Gas and CO2 valves in your Airsoft rifles and magazines. This airsoft valve key will make the maintenance of the inlet and flow valves easy, and will prevent accidental damage from using screw drivers.
 
Caution: This tool will work on functioning mags and clips. If you have valves on your magazine which are damaged or stuck in very tightly then you may cause damage to the tool itself.