> drive the nut by applying force to the flat of the nut
> and not to the corners as in a conventional design thus
Snap-On box wrenches use this design methodology, though they've
not applied it as you describe below. By applying force to the flats
instead of the corners it allows you to transfer more force with
out nastily rounding the corners...
> I have three of these spanners which allow me to handle all
> sizes between about 1/4" to 3/4" and they are totally
> oblivious to the religion of the design.
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