CUESOUL TERO AK7 White Dart Stems Darts Shafts Built in Spring Telescopic,Set of 4 pcs M (CS AK7+2)

[SPECIFICATION]: Size D, Length 37mm,Set include 4 pcs TERO shafts. Total 4 colors available [DETAIL]: different weight when combin with TERO AK4 dart flights,Search CUESOUL AK7 dart flight to combin together,This is AK4 dart shaft only [ADVANTAGE]: This used AK4 + 7 darting system, which rotates / twists without annoying rattling, helps to more tightly group your three darts, also helping to fly more stable and true. It is very helpful to improve your level. [INNOVATION]: Sophisticated integrated spring telescope and rotary combination system, perfect for soft tips and steel tip darts. Rotation (without wobbling) allows each arrow to be closer together, avoids ripped out flights caused by hitting the previous arrow. [OPTIMIZATION]: Octagon shape on edge of shaft screw help to tighten or loose the shaft more easily than common one.Extra twin strengthen line moulded at the end of screw,holds the shaft more incredibly tight to the barrel,even in each shoot.