open-ended/ratcheting or box/ratcheting. A wrench that has the same type of head on both ends - but of different sizes - ...

There may be more types of wrenches than you're aware of. Here are the ones that you may want to have in your toolbox based ...

18 x 23.4 cm. (7.1 x 9.2 in.) ...

Even those come in more than one size, however, and you usually need ... The granddaddy of modern wrenches, an open-ended wrench may have been in the tool collections of some ancient ancestors ...