The Mitsubishi Jetstream is an oil-based ballpoint pen that writes as smoothly as a gel ink pen. The Jetstream 4+1 includes four colors of Jetstream ink + .5 mm pencil. The 4+1 is available in three sizes of ballpoint ink: .38 mm, .5 mm, and .7 mm. Refills are available and very popular for this pen! Nicely hidden eraser under the cap Comfortable grip The quick-drying properties of Jetstream ink make it suitable for left handed writers Refill ink with the Jetstream Multi Refill SXR-80 Eco Packaging in a variety of tip sizes and colors Refill eraser with the Mitsubishi Eraser Refill S
