Aero-engineered writing instrument machined from a solid rod of aerospace titanium alloy. Fountain pen equipped with a titanium fine nib by Bockand a piston converter by Schmidt. Optional reversible nib grind F-M / Architect style developed by Jose Munuera. Delivered in a custom cardboard box hand made by master bookbinder Zsófia Cholnoky.
Material Grade 23 titanium alloy, sourced from BIBUS METALS AG, Switzerland Weight barrel 19 g | grip 5 g | cap 3 g | complete pen 29 g Length capped 129 mm | uncapped 125 mm | posted 144 mm Diameter max 12 mm | grip 11 mm
Nib Titanium F #5 or reversible F-M / Architect Feed Type 180 by PETER BOCK AG, Germany Converter International standard K5 by SCHMIDT Technology GmbH, Germany Surface hardening Oxygen diffusion process to achieve a 1000 HV hardening zone of 40 µm by Expanite A/S, Denmark
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