Even those come in more than one size, however ... Open-ended wrenches come in metric sets graduated in millimeters or SAE ...

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 ...

What are we talking about when we say size? The most common size impact wrenches are ½-inch drive models—those with a square anvil measuring ½ x ½-inch, that accepts ½-inch sockets.

so a full set of individual wrenches (as opposed to just one or two sizes) covers a range of fasteners and help you complete almost any common job. With a comprehensive wrench set, you’re just ...