Thought I'd add some photos of my own, additional views of the Hummer jack in action. I needed to swap a slow leaking tire & wheel from my 2000 E250 2WD van for its spare, second time I've used the jack since it first arrived.
As flat as can be:
Showing jack completely lowered, Agile adapter with flat top in place under left side radius arm/I-Beam:
Showing left front side raised enough to remove wheel/tire, under vehicle:
Raised enough to re-mount tire/wheel, outside the vehicle:
Ordinarily I'd have used my Unijack with its integrated jack stand safety catch but for this quick and simple task the Hummer jack was stable enough.
I did discover the Milwaukee 3/8" M18 impact bought for this sort of task might not be as stout in removing lugs as I've originally posted. It has been almost 6 years since the lugs were loosened, the wheel covers always in place and only removed for jobs like this. I'll have to look into this a bit more, could be the battery was slightly below full charge but that shouldn't have affected its nut busting power.
I'm glad to see BCam has drunk the Kool-Aid we others have already partaken---good to be in great company!