The Nylon Plain Shaft from BULLS are black/white/natural colored shafts consisting of nylon and are available in 5 sizes MEDIUM: Length 48mm, Weight 1.28 grams. IN BETWEEN: Length 39mm, Weight 1.12 grams. SHORT: Length 33mm, Weight 1.02 grams. X-SHORT: Length 28mm, Weight 0.79 grams. You can easily replace shafts with every 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 are also made of different materials: nylon, carbon, plastic, metal, etc. In short, you can adjust your dart to your own taste and feeling using different types of shafts.