Gramophone needle replacement (6)
I believe the answer is:
stylus
This clue could 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 in another clue). I am unsure 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" .)