Wrench
From Wikipedia, the free encyclopedia
A wrench (spanner in British English) is a tool used to turn nuts and bolts, and similarly shaped objects.
Some types of wrenches are:
Special wrenches [change]
An adjustable spanner, or adjustable wrench, or crescent wrench in American English, is a tool. It may move its jaw to rotate nuts or bolts of different sizes. It was invented by Edwin Beard Budding (1795-1846), who also invented the lawnmower.
An open end spanner or open end wrench is a tool used to turn nuts.
