Tombow Alvin 56171 Gray Scale Dual Brush Pen - Set of 12
- These dual brush pens have a versatile and flexible nylon fiber brush tip on one end that creates medium
- The fine tip on the other end is for smooth straight lines or writing.
- The water based ink is blendable; odorless and non-bleeding.
- Acid free and non- toxic.
- Perfect for fine art techniques.