RattyRat wrote:

While I'm not really intrested in an SP 21700 (probably would buy that too if the price is right :D), brass/copper version would be lovely too for the SP 18650. One can dream right?

All those were already done... years ago.

lol, went to see if in the cave they were still selling those, they kept the old photos about the 4 tubes/3 metals but all are selling the same versions that FT stocks.