This AK4 dart flights should be combined with AK7 dart stem/shaft,This is AK4 dart flights only.
Weight:different weight with TERO AK7 A/B/C/D/E/F/G/H dart shaft,(Differnt length andweight for you to find your best feeling and improve your darts).
Size:With TERO AK7 A/B/C/D/E/F/G/H shaft,dart shaft length in 25mm/32mm/34mm/37mm/40mm/43.5mm/47mm/53mm,help you to find a best length and best grip to improve your dart accuracy.
This innovative TERO AK4 flights are dart accessories new patent system from CUESOUL,(combine with AK7 shafts),perfect for soft tip and steel tip darts.This TERO system help your darts fly more stable and true,it will keep you from bend down and pick up flights in the heat of a dart game.