The X-RAY Shaft + Ring from BULLS are translucent shafts containing 2 colors and available in 2 sizes MEDIUM: Length 48mm, Weight 1.32 grams. SHORT: Length 37mm, Weight 0.88 grams. You can easily replace shafts with every dart. They come in a variety of 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 by using different types of shafts.