You can’t always carry a spanner for every nut and bolt on your car, so an adjustable wrench is a tool box essential. The most popular size is six-inch (150mm) – these can tackle fasteners nearly 30mm ...

You will not get far doing car DIY without a decent set of spanners, but inevitably there comes a time when you don’t have the right size – which is where an adjustable wrench becomes a workshop ...