Fisher Cerakote Cap-O-Matic Flat Dark EarthFashion or Function? Both The Flat Dark Earth (FDE) Cerakote Space Pen is highly sought after by tactical lovers, military men and women, survival experts, trekkers, hunters, and outdoor enthusiasts who require their gear to perform in all environments, no matter how harsh that environment may be. The Cerakote finish creates a chemical resistant, corrosion resistant, and heat resistant writing instrument that truly performs in extreme conditions. To