Based on this product's specifications, here are some alternatives and similar models
Fineliner pen Sakura Pigma Micron 08 green — tip 0.5 mm, permanent pigment ink, light- and water-resistant
Summary description:
Sakura Pigma Micron 08 fineliner in green provides a consistent 0.5 mm line for precise drawing, technical sketches, illustration and archival notes. It uses permanent pigment ink that resists fading and running when exposed to water, suitable for drafting, journaling and mixed-media work where long-lasting, smudge-free lines are required.