Sign Pen Micro Brush Tip, Assorted Ink Colors, 12-Pack in Plastic BoxThe sable like tip offers the most control and precision anywhere. The micro synthetic brush hair tip is perfect for highly detailed and expressive sketches, comic inking and coloring, and professional illustration. The Sign Pen Micro Brush integrates seamlessly with other Sign Pen Brushes and the Hybrid Technica. Colors included: Black, Green, Orange, Violet, Sky Blue, Yellow, Blue, Red, Brown, Pink, Gray and Ochre. Recommended age 12+ years