Adjustable Wrench
An adjustable wrench or crescent wrench is a type of wrench that is made to be adjustable to several different sizes, allowing the user to carry one wrench rather than several. Under certain circumstances, an adjustable wrench may be considered a suitable replacement for a hammer, at which point it is then known as an adjustable hammer.
Bobby, hand me that adjustable wrench. I need to loosen this drain plug.
Adjustable Wrench
The tool commonly known as a Nut Fucker.
Instead of using a proper wrench, John used the adjustable wrench. His use of the nut fucker, despite multiple contrary instructions, rounded out the bolt head. Now no one can get it off.