The Surefire Pen IV combines sleek design with rugged durability, precision-machined from high-strength aerospace aluminum and finished with a Mil-Spec hard anodized coating in black. Its stainless steel hardware-featuring the pocket clip, nose cone and retractor button-not only adds to its aesthetic appeal but also ensures toughness and reliability. Inside, the Pen IV is equipped with an imported Schmidt easyFLOW 9000 ballpoint pen cartridge, delivering smooth, effortless writing. Built for high-performance, this pen is tough enough to give you a tactical edge in emergency situations, making it the ultimate rugged writing tool. The rugged CNC-machined aerospace-aluminum body features sleek styling and a Mil-Spec hard anodized finish for superior durability A tungsten DLC-coated heavy-duty steel pocket clip ensures secure and discreet carry while withstanding harsh conditions The Schmidt easyFLOW 9000 ink cartridge delivers a flawless, smooth writing experience with consistent ink flow The retractable ink tip eliminates the need for a cap, reducing the risk of loss while ensuring convenience Comes in an attractive black body color, this tool combines sleek aesthetics with rugged functionality Assembled in the USA with an imported ink cartridge, this product upholds high-quality craftsmanship standards