Create stunning still-life sketches with these dual brush pens from Tombow. This grayscale palette has pens with brush and fine tips, so you can draw detailed lines and fine or broad brush strokes. Blend shades with the blender pen to achieve a beautiful effect. Set colors include Black, Lamp Black, Cool Gray 7, Cool Gray 10, Cool Gray 6, Cool Gray 3, Cool Gray 5, Cool Gray 1, Warm Gray and a colorless blender.Details: Includes assorted colors 6 packs (10 pens per pack, 60 total pens) Dual brush and fine tips Blendable, water-based ink Long-lasting nylon brush tip Self-cleaning tips Acid free and odorless Conforms to ASTM D-4236