Uni-Ball Signo 307 Gel Ink Roller Ball

Uni-Ball, a brand by Mitsubishi Pencil Company Japan, has been a leader in writing instruments since 1887, pioneering innovations like the world’s first rollerball pen with a metal tip in 1979. With a commitment to cutting-edge technology and superior performance, Uni-Ball offers an extensive range of mechanical pencils, POSCA markers, ballpoint pens, Uni Pin fineliners, rollerballs, and more. Designed for precision, durability, and smooth writing, Uni-Ball products are trusted by artists, students, and professionals worldwide.