.204 small diameter 100% carbon fiber construction for maximum speed and penetration with less wind deflection; MaxxKe Technology - Advanced 3K carbon weave for less torque, faster recovery of arrow flight, and tighter uniform spine consistency; 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; Shafts only - no fletchings; Nocks and inserts included; Straightness tolerance: +/- 0.001"; Weighs 8.8 grains per inch (GPI); 12-Pack