The Super Spin aluminum faceted dart shafts are designed to minimise dart collision damage to dart flights during game play. The Super Spin aluminum faceted dart shafts have a 2BA thread and feature a flared base, shaft release hole, diamond cut shaft pattern and removable spinning quad-fin dart flight holder.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 (40mm), Standard (47mm).Each pack contains 3 x 2BA super spin faceted dart shafts.