Wiktionary
microinstrument
n. A very small instrument that can be used to manipulate microscale material.
Usage examples of "microinstrument".
Over their voices, Hamid-Jones could hear the thin buzzing of a small circular saw, as the microinstruments on their jointed arms descended on the Emir's neck like the fingers of a gigantic skeleton hand.
Anyway, Fisher Kleeng's microinstruments finally located an odd little mudball simply crawling with these Wrigglers!
Rather like the first time she had ever approached the operating table and held the microinstruments in her own hands.
Jameson's delegation eased the minicameras and microinstruments out of their pockets.