Read more: 8 Hammer Types And When To Use Them Crescent wrenches are versatile tools that you can use to tighten or loosen nuts and bolts of varying sizes, making them perfect for anything from ...

J The object of the invention is to render the jaws of S-wrenches adjustable, so as to fit different sizes of nuts, at the same time avoiding the clumsiness and unwieldy nature ot the ordinary ...