uni-ball Jetstream RT SXN-210 Retractable Rollerball Pen 1.0mm Tip 0.45mm Line Black Plastic Free Packaging (Pack 2) Heres one for lefties! The left-handers that is. The uni Jetstream RT pen is more than regular rollerball pen. Yeah, you get smooth, fast flowing writing, but the pen also has the fast-drying properties of a simple ballpoint so theres less smudging, making it ideal for left-handers. Its been ergonomically designed to make it comfortable to use for both left and right-handed writers, and its retractable too. It also comes with the added benefit of uni-balls Super Ink, which is fade resistant, water resistant and tamper proof so its great for important documents and journaling. The 1.0mm rollerball pen is available in black, blue and red.