• Artline Drawing System Technical Pens are designed for precise and accurate work. 
• They use pigment-based ink which is highly resistant to water, fading, and acid. 
• The pens have a friction-proof nib that ensures a smooth writing experience.
• These pens are suitable for use with rulers and templates, making them perfect for technical drawings and other detailed work.
• The set includes six pens with nib sizes ranging from 0.05mm to 0.8mm.
• However, it's important to note that while the pens can be used on fabric, the ink on fabric is for decorative purposes only. 
• The pens are ideal for a wide range of applications such as technical drawings, illustrations, sketches, and graphic design.
• Use: The set is perfect for professionals and students who require a reliable and high-quality drawing system for their work.