Balloon wrenches

Balloon

— specialized wrenches, mainly used for installing and removing wheels on cars. The working part in such keys is the same as in the end keys (see the relevant paragraph), however, the key itself has a specific device: it is either a metal rod bent in the shape of the letter G, or a cross-shaped structure, on each side of which the working part of its size (in some of these keys at one end there is a landing square for interchangeable socket heads). Balloon wrenches are large in size, which provides a large length of leverage and allows you to achieve during operation the significant forces required to work with wheel nuts and bolts.