This standard shape clear black flight and short clear black stem incorporates the innovative Condor Zero Stress concept. This short clear black flight is measured from the ridge of the screw to the joint/link between the clear black flight and the short shaft. Shaft length: 21.5mmThis standard shape clear black flight and medium clear black stem incorporates the innovative Condor Zero Stress concept. This medium clear black flight is measured from the ridge of the screw to the joint/link between the clear black flight and the medium shaft. Shaft length: 27.5mmThis standard shape clear black flight and long clear black stem incorporates the innovative Condor Zero Stress concept. This long clear black flight is measured from the ridge of the screw to the joint/link between the clear black flight and the long shaft. Shaft length: 33.5mmCondor Dart Flights – Zero Stress – Standard – Clear Black – ShortCondor Dart Flights – Zero Stress – Standard – Clear Black – MediumCondor Dart Flights – Zero Stress – Standard – Clear Black – Long