to take a set of fixed pipe wrenches with him. Johansson's tool could grip nuts of different dimensions. Pipe wrench in different countries In South Africa, the terms "bobbejaan spanner" and "baboon spanner" are commonly used, especially for large pipe wrenches. "Bobbejaan" is the Afrikaans term for a baboon. In the United Kingdom, these wrenches are often described by their size, i.e. wrenches are known as "18s", or by the general name of "Stillies/stills". In Spain and Morocco they are known and called grifa. In Mexico they are known and called stillson without even calling it "llave" or wrench. In Turkey they are known as English Keys. See also Adjustable wrench – a straight-jawed adjustable wrench with jaws in line with its handle Monkey wrench – a straight-jawed adjustable wrench similar to a pipe wrench and often confused with it Nipple wrench (plumbing) – a pipe wrench that grabs the interior Plumber wrench – a wrench used for turning pipes and tightening hex nuts References External links Biography of Daniel C. Stillson and background on the development of the Stillson wrench. Adjustable wrenches review American inventions Wrenches Piping Plumbing