The Gold Tip Airstrike carbon arrow features an ultra-light .204 inside diameter profile with an extreme front of center design, high modulus carbon construction, and exclusive Dyna-Tek Slick ShieldAA(R) coating. Built for speed and long-range accuracy, the AirstrikeA(TM) closes long distances faster and penetrates deeper with pinpoint accuracy. ItA's the fastest, most versatile long-range hunting arrow your target will never see. ? Includes .204 Accu Tough Nocks, Nock Collar, Ballistic Colar and .204 inserts. .204 inside diameter. Ultralight weight Extreme FOC for more stable flight & long range accuracy?. High Modulus carbon construction?. +/- .001A" straightness tolerance. +/- 0.5 grain weight tolerance. Exclusive Gold Tip Dyna-TekAA(R) Slick Shield coating for deeper penetration.. Smart Carbon Technology A- pure carbon, no fillers.