WHat size is the axle nut for G-Force adj. Axle?

[Chuckthizzle]

I have gforce extended axles in the rear and I need to take off the hub, what size nut is it The fronts are 22mm but these seem much larger

 

[Awk08]

The g-force axle nut is 33mm or 1-1/4 will work also