FX Bottle Fill Valve Removal Tool
 
This tool makes it easy to unscrew your FX fill valve off the bottle. It is also compatible with the Dreamline compact air cylinder.
The set comes with 4 pc of hardened dowel pins to secure the removal tool in the holes of the FX  bottle valve. You can clamp this tool gently in a vice or spanner, then place the bottle valve in the tool and secure it with the dowel pins and unscrew the valve of the bottle without damaging it.

It is made of one sturdy piece of aircraft aluminum with a black anodized finish layer.