The Esterbrook Niblet Nouveau Blue is a compact pocket pen in a rich blue finish — small enough to clip to a notebook cover, capable enough to be a genuine daily writer. The Niblet line is Esterbrook's most pocketable platform, and the JoWo #6 nib punches well above the pen's size.Specifications Brand: Esterbrook Model: Niblet Nouveau Blue Color/Finish: Nouveau Blue Filling system: Cartridge Nib material: Gold-plated Steel (JoWo #6) Nib sizes available: Fine, Medium, Stub 1.1 Body material: Acrylic Made in: USA Nib Guide Fine — Narrow, precise line; excellent for small handwriting and detailed work Medium — Balanced everyday line width; smooth and versatile Stub 1.1 — Italic-style nib with line variation; broader on downstrokes, finer on cross-strokes Free shipping on all U.S. orders.