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