Magnetic ball joint for Rostock mini

- 6x6mm Magnets x12
http://www.neomag.jp/neoexpress/shoppingcart/itemdetail.php?shape=1&cid=1&itemno=11111466000&qty=1

- 9mm Balls x12
https://www.monotaro.com/p/4041/3861/

- LFKM8-UU x6
http://www.linear-mrd.co.jp/fs/linearmrd/c/lfkm

- Carbon fiber tube x6 (166mm)
OD6mm x ID4mm
http://www.kkhobby.com/SHOP/FS001.html


more information see below (japanese).

http://arms22.blog91.fc2.com/blog-entry-546.html
http://arms22.blog91.fc2.com/blog-entry-547.html