Esterbrook Renew Point #1554 Firm Fine Clerical. Solid Durachrome. Esterbrook's 1000 series nibs are "rolled" or "folded" at the tip to form the writing point.

ES1550  Esterbrook Renew Point #1550 Firm Extra Fine Bookkeeping. Solid Durachrome. Esterbrook's 1000 series nibs are "rolled" or "folded" at the tip to form the writing point.

Sheaffer Desk Pen Inlaid Steel Fountain Pen Nib, Slim pen, black, fine point. (1 avail) 

SHF-NIB-VGM  Sheaffer Valor Nib unit, 14KT Gold, Medium point. (4 avail)

SHF-NIB-P2F  Sheaffer Prelude Nib unit, polished steel/gold plated two tone, Fine point. (many avail)