chain tongs

nouns

a pipe wrench used for turning large pipes; an adjustable chain circles the pipe with its ends connected to the head whose teeth engage the pipe
chain tongs
domain usage
the form of a word that is used to denote more than one
plural, plural form
is a type of (narrower)
adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe
pipe wrench, tube wrench