TWSBI Eco Replacement Feed

Replacement feed for the TWSBI Eco and Eco-T range of fountain pens. This is a genuine replacement part designed for nib sizes EF, F, M, B and 1.1mm. Please note the 1.1mm is designed to be used with the high flow Eco feed.

The Eco nibs are friction fit and require some care as you fit the new feed:

• Remove the old nib and feed, noting the orientation of the barrel
• Slide the old nib and need feed in as a pair
  (Take care to ensure feed fins are not damaged during insertion)
• Ensure the nib is fully pushed in to reach the ink reservoir
  (Nib size engraving should be half tucked under the grip collar)
• Check the nib is sitting square relative to the feed

Features:

• Genuine TWSBI Eco replacement feed
• Injection moulded plastic
• More durable, less sensitive to heat
• Designed for the Eco steel nib in a friction-fit (press-fit) system
• Moderately wet flow
• Suitable for handling most fountain pen inks
  

Compatibility:
TWSBI Eco, Eco-T, Go, Swipe fountain pens.
Can also be made to fit the TWSBI Diamond Mini, Vac Mini, and Classic by removing the original feed from the nib unit and sliding the feed in.
Roughly #5 size, but not a standard interchangeable nib unit for other brands of nibs/pens.