Saber Tactical bottle degasser tool and Valve removal tool for FX air rifle bottles.
Suitable for use on: Boss, Crown, Dreamline, Gladiator & MK2, Impact MK1, MK2, M3, M4,  Maverick, Royale, Wildcat MK3 BT, Verminator & MK2.

It has a knurled screw that screws into the bottle and releases the air. Once the tank is empty, attach the red bottle clamp onto the bottle and use the custom wrench to slowly unscrew and release any remaining air.

The red bottle clamp is lined with silicone pads, it does not mark your bottle.