• Double-ended brush marker - black ink on one side and gray ink on the other.
• Hardness grade 2, soft tip.
• The line stroke width varies from very thin to wider depending on the pressure exerted on the tip.
• Water-based ink with colored pigments, odorless.
• Suitable for calligraphy, drawing, visual notes, Zentangle, Hand Lettering, sketch notes, doodling and much more.
• Ink color: black and gray.