The set comes standard with 3 sets of replaceable tail wings (high-speed/stable/steering). It can be replaced in 3 seconds quickly through spring snap-on design, and is suitable for different scenarios such as soft targets and hard targets. Whether it is home entertainment, bar league or professional training, flight parameters can be adjusted according to throwing habits: players who pursue extreme speed can choose to increase the flight speed by 15%, and players who prefer skill control can change the steering tail wing to optimize the trajectory arc. Single dart 20g±0.5g standard competition weight, taking into account balance and inertia, helping players to smoothly transition to different stages of technology improvement.