The Titan 4 wire dart shafts have a 2BA thread and features a heavy duty aluminum base, shaft collar with shaft release hole, dart shaft sleeve and accepts quad-fin dart flights.To correctly measure a dart shaft length measure the length of the actual dart shaft itself, the threaded section is not included in the measurement.Dart shaft lengths: Short (46mm), Standard (60mm).Each pack contains 3 x 2BA Titan 4 wire dart shafts.