One of the best hunting arrows ever designed by BloodSport®, Onyx Micro Diameter Carbon Arrows combines superior toughness and flight ability with Blood Ring technology. Designed for demanding hunters, Onyx arrows feature BloodSport's proprietary Rugged Wrap™ construction to give you a micro-diameter arrow with a much thicker carbon wall than comparable shafts. Its ultra small diameter delivers greater penetration, less wind drift, and a superior Front of Center measure for optimal accuracy and penetration. Pre-fletched with 2" vanes, these high performance arrows also feature BloodSport's Blood Ring. This ring of special, sprayed on material captures blood as it passes through the animal so you can evaluate the hit on pass-through shots and make the best tracking decision. Super-tight +/-1 weight tolerance and +/-.004" straightness tolerance. 6 pack.