Features: Black anodized aluminum body with milling for grip. Pressurized ink cartridge for consistent writing. Stake point for striking, screw cap with point, and pocket clip. O-rings make it waterproof when cap is closed. Parker and Fisher Space Pen refills accepted. Description: Halfbreed Blades have produced the newest iteration in pens with their HHA Tactical Pen Tungsten. The pen has a milled grip with a powerful stake point for striking. Removing the cap reveals a smooth writing pressurized ballpoint pen, that resembles the elegant look of a traditional fountain pen. If you're in need of an elegant and simple pen, you're in luck! If you're in need of an elegant and simple striking tool, then you're also in luck! This pen is the best of both worlds while maintaining simplicity for everyday carry. Looking for other variations of pens or maybe something with a little more oomph? You're in luck; we've also got plenty of tactical pens!