Reamer
#2
Tech Master
iTrader: (70)
Looked up the hinge pins on A-Main (part no ASC89040) but they didn't list the size, so I looked it up on Tower, which has better part descriptions usually. They list the hingepins as 4mm in diameter.
http://www3.towerhobbies.com/cgi-bin...?&I=LXSKJ2&P=7
http://www3.towerhobbies.com/cgi-bin...?&I=LXSKJ2&P=7