100% Carbon Fiber construction micro diameter for maximum speed and penetration with less wind deflection; Every arrow digitally spine aligned for increased accuracy and shot to shot consistency; Each dozen weight matched to +/-0.5 grains for precise shot consistency and tighter grouping; Advanced Nano Ceramic arrow coating improves penetration and allows for easy removal from targets; Hand fletched for optimum vane adhesion and alignment; Nocks and inserts included; Straightness tolerance: +/- 0.003"; Weighs 11.3 grains per inch (GPI); 6-Pack