uni ball Signo 307 Fine Retractable Rollerball Pen (Black)

The Signo 307 expands upon the highly popular 207 with a redesigned tip, aimed to deliver dense colour and provide skip writing, making it perfect for situations where speed is a necessity, such as note-taking. Features Uni's high quality "Super Ink", which is not only water and light resistant, but also "Tamper-Resistant", meaning that the ink cannot be washed off using chemicals and solutions used by people to fraudulently modify documents. The 0.7mm nib delivers a fine 0.4mm line. Perfect for home, school, or office. Pack of 6.