TWSBI leans towards the thicker side for me personally, but it's a great workhorse pen for anyone who uses fountain pens daily on real writing tasks. TWSBI Eco'

TWSBI leans towards the thicker side for me personally, but it's a great workhorse pen for anyone who uses fountain pens daily on real writing tasks. TWSBI Eco's ink reservoir size and ease-of-use is simply unrivalled among competitors in the same price range.