pruning shears vs plural

pruning shears and plural both are nouns.

Word	Noun	Adjective	Verb	Adverb
pruning shears	Yes	No	No	No
plural	Yes	Yes	No	No

pruning shears (noun)	plural (noun)
shears with strong blades used for light pruning of woody plants	the form of a word that is used to denote more than one

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