Open-ended spanners will fit a nut or bolt and provide a drive on two of the flat sides which, assuming the spanner and nut or bolt are in good condition and a proper fit, can be the most ...
Whether you need a bolt tightened or a nut unfastened, they're there to make the impossible happen. Spanner tools are as necessary as hammers. They torque the nuts and bolts that hold metal ...
It is easier to use a longer spanner when trying to turn a nut, and easiest to push furthest from the hinge when opening a door. A solid beam 0.5 m long is laid across a pivot to form a simple lever.