RED DRAGON's Nitrotech Ionic Shafts have a class-leading appearance and top functionality defined with stunning, Sport Engineered, PVD coating. The Nitrotech Ionic Shafts are available in 2 different sizes: SHORT: 36mm & MEDIUM: 42mm. You can easily replace shafts with any dart. They are available in different sizes to customize your dart in length and feel. Sizes: XX-Short/Micro, X-Short, Short, In Between, Medium & Long. In addition, they also consist of different materials: nylon, carbon, plastic, metal, etc. In short, you can adjust your dart to your own taste and feeling through different types of shafts.