The Diamine Fountain Pen Ink – Onyx Black offers a deep, intense black that delivers a professional and timeless look to every page. Its smooth and consistent flow ensures clean, sharp lines without feathering or smudging, making it perfect for office work, journaling, and creative writing. With its rich pigmentation and reliable performance, Onyx Black is a staple ink for any fountain pen enthusiast.
Features
Deep, intense Onyx Black color for a classic look
Smooth and consistent ink flow for effortless writing
Water-based, high-quality formulation
Minimal feathering and quick-drying performance
Compatible with all standard fountain pens
Ideal for professional writing, journaling, and creative use
Works seamlessly with converters and refillable pens
