Thread is approximately 40% strongerTop where flights lock on are approximately 30% strongerOverall strength is enhanced by using polycarbonate resinIt's now easier to tell between locked and spinning... Spinning shafts have a rounded top and Locked shafts have a flat top. Also, the top of the locked shaft is now in a matte finish
Only work with Fit Flights
If you install flights onto a Locked style shaft and then onto a Spin style shaft, you may notice the flight is looser than normal and may pop off easier. Avoid this by using separate flights for Locked and Spin shafts.
All shafts sold in a set of 3
Fit Flight Polycarbonate Normal Blue Spinning Dart Shaft
