Open-ended wrenches come in metric sets graduated ... The first wrench patented in North America was an adjustable wrench - a version of the coach wrench which was in common use in England at ...

What do you do if you want a tiny little adjustable wrench? If you’re [my mechanics] you build your own. Where do you get the stock metal? Well, he started with an M20 nut. A few milling ...

You need a whole collection of box or open-ended wrenches if you want to be ready for every nut and bolt you are likely to encounter. The alternative is to have one or two adjustable wrenches ...