plural vs needlenose pliers

plural and needlenose pliers both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
needlenose pliers	Yes	No	No	No

plural (noun)	needlenose pliers (noun)
the form of a word that is used to denote more than one	small pliers with long thin jaws for fine work

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