Where can I buy new fx gauges?

I have an mk1 gen 3 impact that came with shiit white gauge. They are off like at least 15 bar difference. Are the new fx black gauges as accurate as the wika gauge? And where can I buy the fx new gauge? Cause I like the black gauge to match the gun vs the wika gauges. Also how much is price for each gauge and does it come with the black cover or is that also separate? Cause indeed huma selling the black cover separately. 
 
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Don’t buy FX gauges, mine was of by 50bar and that was the new ones on the impact mk2.

changed Them to wika gauges
 
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Don’t buy FX gauges, mine was of by 50bar and that was the new ones on the impact mk2.

changed Them to wika gauges

Really? I know the old fx gauges are crap. Since mine was crap and many folks also have crap gauge and switch to wika gauge. But I like the new looks of the black mk2 gauges on my black impact. Fx claim they are accurate. I hoping they are as.good as the wika gauges.