Too bad! Range set first for medical instruments (9)

I believe the answer is:

otoscopes

'medical instruments' is the definition.
(otoscope is a kind of medical instrument)

'too bad range set first' is the wordplay.
'bad' indicates an anagram.
'range' becomes 'scope' (synonyms).
'set first' becomes 's' (sst letter of 'set').
'too' with letters rearranged gives 'oto'.
'oto'+'scope'+'s'='OTOSCOPES'

'for' acts as a link.

(Another definition for otoscopes that I've seen is " Instruments for examination of ears".)

I've seen this clue in the Sydney Morning Herald.

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