VAP (Victory Armor Piercing); Micro inner diameter (.166") for maximum speed and penetration; 100% high modulus carbon fiber for strength and durability; Victory's spine alignment process for increased accuracy and tighter grouping; Nano ceramic "ICE" coating improves penetration and allows for easy removal from targets; Spine indexed; Nocks and inserts included; Straightness tolerance: +/- 0.001"; Weighs 7.8 grains per inch (GPI); 12-Pack