Titan is a cool and practical pen that can be attached to your keys, bag, belt or backpack and used in everyday occasion. Titan is so small and light that you can keep it in your pocket, but at the same time you can use it as a real pen, thanks to its original insert system. It’s made out of titanium grade 5, the strongest available, and carbon fiber, a combination of the two strongest and coolest materials. You can’t go any better than that. A brass version is also available. Titan has been engineered and made to perfection, every single small details has been taken care of. If you are looking for a cool EDC pen this is the perfect one. Weight and balance are perfect both for the titanium and the brass version. The D1 refill can be easily replaced from the front section or from the back. It is equipped with two o-rings, one for posting the cap and the other one for securing a tight closing and preventing any accidental opening.