The ring spanners are infinitely adjustable

Ring spanners are adjustable wrenches that have a ring-shaped end instead of an open end. They were used for the construction of the Tasman Bridge. The looped end is infinitely adjustable. The ring shape makes them a great tool for various construction projects. Box spanners are also commonly used for many types of projects. They are made of metal tubing and can be infinitely adjusted.

Some types of ring spanners have a notch in the handle, or ratchet, to facilitate tightening a fastener without having to disconnect it. However, ratchet spanners are not reversible, as they can only engage the fastener in one direction, and moving the ratchet in the opposite direction does not allow it to be used with excessive force.

Ratchet ring spanners are a popular choice for tightening nuts and bolts. Because they only turn in one direction, they require less adjustment of the grip. They also do not have the hefty grip of fixed tools. Ratchet ring spanners are often available in sets. They are often marketed as "all-in-one" spanners, though these spanners do have two separate heads.

An infinitely adjustable ring spanner is the ideal tool for fixing small, irregularly sized things like screws and bolts. These tools are often called monkey wrenches, because their jaws are shaped like a monkey's face. The name is an etymology and is based on no fact. However, these tools were very popular in the industrial era. Ring spanners are infinitely adjustable and allow you to set the spanner's size to the exact measurements you need.