What does "adjustable pliers" mean?

A type of pliers used by plumbers that can be quickly changed in size and is primarily used for tightening nuts on water pipes.

What is a synonym for "adjustable pliers"?

Common synonyms include: groove joint pliers.

noun

noun ·Rare ·Advanced level

Noun

1
A type of pliers used by plumbers that can be quickly changed in size and is primarily used for tightening nuts on water pipes. plural, plural-only