Robson Plus Standard Shape Dart Flights with Finn design. Made from a moulded plastic, these black flights simply push onto your normal shaft to give you a solid professional setup. As the flights do not have a specialist fitting, these black flights can be used on most nylon and aluminium shafts. Each pack is provided as one set of 3 flights.Robson Plus Standard Shape Dart Flights with Finn design. Made from a moulded plastic, these white flights simply push onto your normal shaft to give you a solid professional setup. As the flights do not have a specialist fitting, these white flights can be used on most nylon and aluminium shafts. Each pack is provided as one set of 3 flights.