Benchmade has really pushed the boundaries of tactical pens with this heavy duty tactical pen - the 1100 series in all stainless damasteel by Damasteel of Sweden. This pen features a snap on/off cap, ergonomic machined knurling on the pen and cap and a durable Fischer Space Pen ink cartridge. Fischer Space pen ink cartridges are designed to write at any angle, at extreme temperatures and under zero gravity. The pen has a pocket clip that is securely mounted on the top of the cap. Excellent condition in original box with papers.