plural vs pump-type pliers

plural and pump-type pliers both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
pump-type pliers	Yes	No	No	No

plural (noun)	pump-type pliers (noun)
the form of a word that is used to denote more than one	a type of pliers; usually used to grip and turn nuts, bolts and pipe fittings

plural (adjective)	pump-type pliers (adjective)
grammatical number category referring to two or more items or units
composed of more than one member, set, or kind