BIC® Intensity® Fineliner Dual Tip Felt Pens provide artists with exceptional versatility, making them ideal for professional fine art, brush lettering, illustrations, journaling and more! One end features a brush tip for broad, medium and fine strokes, while the other end features a fine bullet tip for consistent, high-precision marking. And to provide you with a safe, high-quality product that you can rely on, all Intensity® Fineliner marker pens utilize odor-free water-based ink, making them perfect for the classroom, the office and the home.