pliers vs hand tool

pliers and hand tool both are nouns.

Word	Noun	Adjective	Verb	Adverb
pliers	Yes	No	No	No
hand tool	Yes	No	No	No

As nouns, hand tool is a hypernym of pliers; that is, hand tool is a word with a broader meaning than pliers:

pliers: a gripping hand tool with two hinged arms and (usually) serrated jaws
hand tool: a tool used with workers' hands

Other hypernyms of pliers include compound lever.

pliers (noun)	hand tool (noun)
a gripping hand tool with two hinged arms and (usually) serrated jaws	a tool used with workers' hands