Professional Design:The tip is made of high quality copper frame steel pipe. They offer excellent balance and style. Special knurls or notches ensure a secure fit. They also create some air resistance and keep the dart flight from tipping over. You will immediately increase your score in the game. Interchangeable dartboard:12 pieces of dartboard, equipped with electronic dartboard, the best effect. The set contains 4 types of darts and 100 tips. If you want a new dart, you can change the dart or tip at any time. Perfect Control:The dart handle is ergonomically matte and non-slip, which is ideal for beginners and professionals alike .The total weight of 14g is perfect. Easy Installation]:Our darts are very convenient to install, just insert the end of the dart into the gap, then screw the tail directly into the copper tube. The simple installation process allows you to quickly discover the fun of playing darts. Quality:Professional darts suit, suitable for all levels of competition. The harder the dart trajectory, the more frequently and accurately you can find the target. These dart shafts are more durable than PVC or plastic darts.