Target Darts K-Flex Shape No.6 - Short BlackUsing a precision mould system to fuse the flight and shaft, the flights are highly durable yet lightweight, and continue to keep the flights at a 90 degree angle throughout their lifetime, so you're guaranteed a consistent game. To reduce the chance of a bounce out during a critical game, K Flex uses Target's patented twist system that moves the dart if hit by another. The perfect fusion of flight and shaft to elevate your game.