Wanted Help with raceface affect freehub removal

[bikeworkshop]

So looks like 12mm a-key or bolt assembly

 

[old_coyote_pedaller]

What is the outside diameter of NDS end of axle and the internal width across the flats of Allen key fitting?

 

[ishaw]

I'll report back once I've figured out what's what.

 

[ishaw]

What is the outside diameter of NDS end of axle and the internal width across the flats of Allen key fitting?

I've no idea, can't yet get the end cap off, the pics are borrowed from the internet.

 

[old_coyote_pedaller]

I've no idea, can't yet get the end cap off, the pics are borrowed from the internet.

If your hub is same as one in pics, I would have thought the NDS end of axle that you can see does not come off as an endcap, it's the end of axle and endcap in one. Therefore no separate endcap.
Some pics of your hub would help.