KCI EzyWrench

Any one use the KCI EzyWrench that the national magazine is giving as a 'freebie' with the subscription offer? (even though it's actually $25 if you do the sums...)

I'm not really interested in the' impact' capabilities, just really for spinning the wheel nuts on and off when swapping the muddies onto the truck.

I've always been a bit dubious about the capability when they demonstrate this thing at the shows, coz it just spins the same nut on and off and on and...