Robson Dart Flights Standard Small Flex your Technique Robson Fit Plus moulded dart flights feature built in capsule shaft protector, a universal shaft slot, reinforced wing protectors and built-in flight protector. The built-in capsule shaft protector protects the shaft and eliminate robin-hooding through its basic design. Any regular shaft will tightly fit the Robson Plus Flight. The universal shaft slot makes the Robson Plus Flight very cost effective. The reinforced wing protector helps to minimize the tearing and ripping of plastic flights by reinforcing the area. The built-in flight protector protects the flight from robin-hooding, and helps fortify the 90 degree angle of the wing span.