The Loop Colors Fineliner 0.3mm is engineered for precision. This fine-tip marker is the perfect choice for artists who need to execute intricate details, complex textures, and sharp inner lines in their sketches.
Filled with Loop's signature deep black, lightfast ink, this 0.3mm version offers professional-grade permanence. It ensures your fine-line work remains crisp and dark, without the fading or smudging associated with standard pens.
Technical Specifications
Tip Size: 0.3 mm (Fine).
Ink Color: Deep Black.
Ink Properties: Lightfast (UV-resistant) and Permanent.
Build: Sleek, practical format with a secure click-cap.
Application: Ideal for blackbooks, technical illustrations, and hatching.
Why the 0.3mm is Essential
Micro-Precision: The 0.3mm nib allows you to get into the tightest corners of your piece, perfect for adding 3D effects, cracks, or fine textures to your letters.
Sharp Shading: Excellent for cross-hatching and stippling techniques where control over ink volume is critical.
Steady Performance: The high-quality fiber tip is reinforced to stay sharp, ensuring a consistent line width even after heavy use in your blackbook.
Pro-Grade Ink: Like all Loop products, the ink is formulated for writers—it’s deep, rich, and designed to stay permanent on paper.
The Professional Loop Range
The 0.3mm is a key part of the Loop Colors Fineliner system. To master every aspect of your sketch, you can find the full spectrum on our webshop:
0.1mm & 0.2mm: For the absolute finest micro-details.
0.5mm to 1.0mm: For standard outlines and bold outer borders.
Brush & Calligraphy: For expressive, pressure-sensitive strokes.


