This adjustable fine line pen is designed for precision and versatility, making it ideal for artists, architects, and designers. Its sleek and ergonomic design ensures comfortable handling, while the fine tip allows for detailed line work, masking fluid application, and intricate sketches. for professional and creative projects. Features -Color:Multi -Material:Metal, plastic -Size:14.50X1.00X0.50cm/5.70X0.39X0.20in -Precise line control: designed for professional artists, this pen ensures accurate line control, enhancing the precision and detail of your artwork -Adjustable tip design: the adjustable tip allows for versatile line width adjustment, making it suitable for various artistic styles and techniques -Smooth ink flow: featuring a unique duckbill structure, the pen for smooth ink flow, reducing the risk of clogging and improving drawing efficiency -Multisurface compatibility: works seamlessly on different paper types, from rough sketches to polished final pieces, delivering crisp and clear lines every time -Masking fluid integration: pair with fine line masking fluid pens to effortlessly create intricate patterns and achieve greater creative freedom in your projects Package list: 15 x Ruling Pen