#6 Ultra-flex 2-Tone Nib Units and Assemblies

This listing is for the Osprey Size 6 Ultra-flex (UF) 2Tone nib, featuring a custom ebonite feed within an Osprey threaded housing. This integrated nib/feed/housing assembly, called a Nib Unit, is fully interchangeable and compatible with Osprey’s Milano, Scholar, and Madison pen models. Available Nib Tip Sizes: EEF, EF, F, Medium, Broad This nib unit can be conveniently used with bottled ink via converters such as the Osprey converter or the K5 Schmidt converter, or alternatively with pre-filled ink cartridges.  Unlike most market offerings that pair Ultra-flex nibs with plastic feeds, Osprey is among the select few providing premium ebonite feeds. Ebonite feeds significantly outperform plastic, accommodating a wider range of inks and effortlessly meeting the high ink-flow demands of flexible nibs. You can add an Assembly, which provides you with a spare Outer Grip Section and an Osprey Converter, for an additional $6. Simply thread your nib unit into this assembly and insert it into