The Mayhem series is like 3 arrows in 1, engineered with K-360 Degree Weave Technology to provide 360 Degree spine consistency and deliver the ultimate combination of speed, accuracy and penetration. The Mayhem Hunter also features exclusive Carbon Express Built-In Weight Forward technology for superior down-range accuracy with a broadhead, head. Equipped with Blazer vanes for precise broadhead placement and BullDog nock collars for added strength. These arrows are setting a new standard for all-around hunting performance. Mayhem Hunter 250 w/ Blazers 6 Pack.