Fisher Biros

The Fisher Space Pen 400H-237 Armor Tungsten Cerakote ballpoint pen features a grip area and cap with a gray-black ceramic polymer coating. It has a removable and attachable cap with a clip, making it ideal for on-the-go use, whether in your pocket, car, or notebook. When the cap is on, it becomes a perfectly balanced writing instrument. The length when open is 13.3 cm, and when closed, it is 9.5 cm. The hermetically sealed pressurized system of this refill allows writing in almost any conceivable position and environment, including upside down or underwater, as well as at temperatures ranging from -35° to +121°.