Ketron Peek MB Helix Rod

This helix rod is manufactured from a plastic material called 'Peek' which is a much stronger alternative to conventional plastics.

This rod has a circular cross section which makes it stronger than the oval cross section currently in use

Please have a look at the links below for further information

http://www.fountainpennetwork.com/forum/index.php/topic/255063-modern-montblancs-weak-piston-lead-screw/

http://www.fountainpennetwork.com/forum/topic/276873-another-d-i-y-149-repair-pictorial/