The Tajima Super Sumi Ink 450ml is a Japanese ink specifically designed for professional chalk lines and marking work on construction sites. Its optimized formula works perfectly with modern synthetic lines while providing clean and consistent lines.

Unlike traditional inks, this formula remains flexible even after drying and can be easily reactivated with water. It also offers better cold resistance, which facilitates work in winter or outdoor environments. Compatible with many Japanese marking tools, it is suitable for wood as well as metal or plastic surfaces.