Xezo Architect Solid Brass Fountain Pen with Diamond-Cut Barrel, Gun-Metal Enamel, 18-Karat Gold Plated Fittings. Limited Edition of 500. Screw-On Cap Supplied with gift box, fountain cloth, 4 ink cartridges, ink converter, certificate, and 3-year warranty card. German-made Medium Point Nib. Ink refill is standard european size and is selectively interchangeable with a variety of commercially available fountain ink refills including Montblanc, Parker, Cross, Waterman, Schmidt, Sheaffer, S.T. Dupont, Visconti, Pelikan, Dunhill, Delta, Krone, Ancora and Cartier. Diameter: 15 mm, Length posted: 162 mm, Length capped: 144 mm, Weight: 1.76 ounces Diamond-cut body. Gun-metal enamel. 18-karat gold plated fittings. Weighty and balanced for superior comfort and grip.