The Carbon Express 52130 Mayhem Cross Bolt offers the complete performance package. Delivering a combination of speed, accuracy and penetration results in the Mayhem being the most accurate arrow in its class. The advanced design uses proprietary K-360 Degree Weave Technology for remarkable strength and spine consistency. The Mayhem features Blazer or Fusion vanes for added velocity along with BullDog nock collars for improved durability. To gain the advantage in the field, you need the best equipment, which is why so many hunters, competitors and enthusiasts insist on the Carbon Express brand. It's a simple fact: Arrows with consistent spines ensure tighter groupings downrange and make consistently better, more accurate shooters. Carbon Express uses innovative technology and the highest grade of carbon fiber to produce the most consistent arrow spines in the industry. Unlike other manufactures, Carbon Express laser sorts its premium hunting shafts to ensure all the arrows in each set have the same spine tolerance and provides the straightness tolerance that are maximum measurements, not merely averages. If you have a passion to shoot better, Carbon Express will continue to develop unparalleled advancements in accuracy, recovery and performance to provide the public with the finest arrows, broad heads, crossbows and cross bolts, as well as archery and cross bolt accessories.