I have a few gauges (2 are Ninja brand) that go on CO2 or HPA bottles. Do they require a special socket to remove?
Here is an example:
https://www.ansgear.com/Ninja_Ultralite_Nano_Tank_Gauge_Black_p/ninjatank-nanogauge.htm
Here is an example:
https://www.ansgear.com/Ninja_Ultralite_Nano_Tank_Gauge_Black_p/ninjatank-nanogauge.htm