Gramophone needle replacement (6)
I believe the answer is:
stylus
This clue might be a double definition.
'gramophone' is the first definition.
(thesaurus)
'needle replacement' is the second definition.
'stylus' can be an answer for 'needle' (I've seen this before). I'm not certain of the 'replacement' bit.
Can you help me to learn more?
(Other definitions for stylus that I've seen before include "Ancient writing implement" , "Device attached to the cartridge of a record player" , "Old writing implement" , "Engraving instrument" , "Needle used for playing gramophone records" .)