Just FYI. You can get a whole Schmelke Purpleheart break cue for like $225-250.
https://www.schmelkecue.com/jb11-puerpleheart-jump-break-cue-1.html
Or just the shaft:
https://www.schmelkecue.com/pcr305-4-purpleheart-break-pool-cue-shaft-3-8-10.html
Never had one, so I can't speak to the quality...