Pentel Arts Color Brush with Pigment Ink, Medium Tip, Gray, 3/Pack (PTAGFPBP137-3)

The versatility of the Color Brush makes it easy to use between line and wash. The permanent, pigment ink is acid-free, fade proof and water resistant. The durable nylon brush tip can flood wide strokes with solid color and then give a light touch to delicate lines. The refill barrels are easy to replace, and the reverse thread stops any leakage. Sold as a pack of 3.