Sanwa Denshi OBSF-30-AX Metallic PUSHBUTTON (Gold or Silver)
Should we say "Finally!!!" Their metallic series has been in the works for years until they could perfect the 'painting process' as it's quite complex to ensure the paint would not easily scratch and wear off over time. Initially released in small batches at EVO 2016, this is the official launch of their metallic series parts. These are 30mm in size and will fit stock QanBa, Hori and Mad Catz fight sticks for the main "play" pushbuttons.
There is no 24mm variant at the present time, but Sanwa Denshi does have plans in the future to make them.
Choose also the matching metallic balltops here