Cool, composed, and quietly confident—Steel Blue by Diamine strikes the perfect balance between blue and grey. This sophisticated shade comes in a set of six standard international cartridges, offering smooth, free-flowing ink with graceful shading. Whether you're jotting business notes or reflecting in your journal, Steel Blue lends a touch of calm authority to every word. Made in Britain since 1864, and still going strong.

Clever Details That Count

• Universal Cartridge Fit: Compatible with most fountain pens that accept standard international cartridges.

• Refined Shading: A muted blue-grey with subtle tonal depth—ideal for both professional and personal use.

• Enduring British Quality: Produced by one of the UK’s most historic inkmakers, trusted since the Victorian era.

Details

• Brand: Diamine Inks
  
• Pack: 6 Cartridges
  
• Type: Standard Cartridge
  
• Colour: Steel Blue