The K-Flight system. Introducing the player-edition Luke Littler No.2 K-Flex integrated flight and shaft system. Created in collaboration with the Nuke , featuring his signature logo in fluorescent yellow and striking purple. A high performance all in one flight and shaft system featuring Target s patented twist system. The precision moulded system key features -Lightweight K-System flights are lighter than other moulded systems on the market allowing for a more consistent throw. -Patented Flex System The shaft section of the K-Flex has been designed to move if hit by another dart, reducing the chance of a bounce out. -90 Degree Precision Our injection moulding process means the flights are at perfect 90 degree angles out of the box and through their playing life. -Durability A slight increase in thickness to the front and back edge of the flight increases durability dramatically over other flight types.