Tombow Dual Brush Pens ABT 24 Color Set Basic AB-T24CBA

Twin type with a flexible fiber core that flexes like a brush and a 0.8mm fine lead.
This 24-pack set includes 23 colors (12 basic colors plus some light colors, pastels, and portraits) and a colorless blender pen.
Durable flexible fiber leads allow drawing fine to thick lines; 0.8mm fine leads allow lines to be drawn at a consistent thickness.
Colorless blender pens can softly mix colors to create gradations and watercolor effects.