The Alabama Alu from BULLS are shafts which consist of aluminum and a very strong aluminum head. These shafts bring your darts to the ultimate level, in short the Alabama Alu ensures that your flight is firmly attached to the shaft! These shafts are available in 2 sizes: SHORT: 33mm, 1.27g & MEDIUM: 45mm, 1.75g. 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.