Discover the versatility of Artline Yoodle Fine Pens. This 15-piece set features 0.4mm fine tips perfect for intricate writing, detailed sketching, creative doodling, and precise drawing. Each pen uses water-based ink designed not to bleed through paper, ensuring clean and crisp results. The pens boast a durable metal clip cap, allowing for secure portability, and an extended cap-off time means the ink won't dry out easily. The metal-enclosed tip is ideal for use with rulers and stencils, providing added precision for all your artistic and academic endeavors.