Fiber pens for sketching, drawing, writing, and illustrating. Fiber pens for everyday use. With a shape-retaining, metal-clad acrylic tip suitable for use with stencils and rulers. Ink color matches the barrel color. Line width: 1.0 mm. Color: Gray. Water-based ink. Developed as a blend between a pen and a marker, the Sign Pen captured the hearts of its users in the early 1960s. Even today, the Sign Pen is the first choice of architects, artists, and designers for illustrations and sketches, and of course, it is also favored by everyone for daily use. Innovative and proven writing instruments for everyday needs. The company Pentel was founded in 1946 and initially focused on the production of watercolor and oil paints as well as drawing pens for kindergartens and schools. Many achievements in the world of writing and painting products can be attributed to its own research and development laboratory. Examples include the first 0.9 mm fine lead for mechanical pencils, the first fiber pen "SignPen," the first rollerball pen "Ball Pentel," and the first correction fluid with a writing tip instead of a brush. For over 70 years, Pentel has been continuously working on innovations and improvements that make daily life easier, especially in writing, drawing, and painting.