adjustable wrenches
Variable-jaw hand tools
Adjustable wrenches have jaws that can be widened or narrowed to fit different bolt and nut sizes, eliminating the need for multiple fixed wrenches.
A thumbscrew or similar mechanism controls the jaw width.
The most common type is the crescent wrench, with one fixed jaw and one movable: Hand me that adjustable wrench—I don't know what size this bolt is.
- spannerTool for turning nuts
- hand toolUnpowered gripped device
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