Cuesoul AK4 Tero Flights DIAMOND Color:Black so players can switch from

so players can switch from steel tip to soft tip without worrying about any weight difference

Synthetic leather

built-in spring telescopic and rotation combo system (combine with AK4 Flights )

Each case comes with L-Style's original wristband to keep your flights from falling out and getting lost or personalize your Krystal case by using your favorite wristband to hold the flights in place

Holds extra sets of Barrels

Cuesoul AK4 Tero Flights DIAMOND Color:Black so players can switch fromWell designed, built in spring telescopic and rotation combo system (combine with AK7 Shafts), perfect for both soft tip and steel tip darts. Rotation (without wobbling) allows each dart to be closer together without being ripped by hitting previous dart; Telescopic prevents dart deflection when hitting the previous dart. Both functions assure the flights have more durable use.