Each Pen Is Loaded With Highquality Alcohol Ink That Results In Smudgeproof, Pinsharp Accuracy. The Artist’S Grade Micropigments Ensure Outstanding Lightfastness For Color That Won’T Fade. Artliners Come In 005, 01, 03, 05, 08 Line Widths, Along With A Brush Point In A Selection Of Colors And Sets. Available In 6Piece And 8Piece Sets. Ideal For Smudgefree Use With Mixed Media. Fine Point And Brush Tip Options. Incredibly Versatile For A Variety Of Drawing Uses