Description 1. Assorted Liner -- 6 tips size micro-line pens set with needle nib tip 2. Pen Size -- Single pen length is 138mm / 5.4", the diameter is 10mm / 0.4", single net weight is 11g; 3. Quality Material -- PP silver grey barrel with coded caps & fine metal tips, adapt for pigment ink, waterproof, fade proof and anti-bleed; 4. Application -- Sketch fine point pens are ideal for artists, writers, illustrators. And we can apply it for illustration, calligraphy, entangle arts, craft projects, technical drawings, scrapbooks and so on; 5. Package -- 6 pc assorted tips pens per package.