Easton 4mm Axis Long Range 250 Spine Carbon Arrows - 6 Pack - Industry-leading carbon AXIS now available in a 4MM micro-diameter. The AXIS 4MM Long Range is engineered with a specific 100% carbon-fiber layup for increased velocity. Includes Easton’s new Aluminum point outsert to boost both strength and front-of-center accuracy at long range and comes pre-installed with 4MM nocks. Includes NEW aluminum point outserts (50 grains) Micro-Diameter 100% ACU-Carbon fiber construction, hunting arrow- increased velocity Reduced friction in flight and at impact to offer optimized FOC, enhance target penetration, and better accuracy at long range 4 popular hunting spine sizes- 250, 300, 340, and 400 8/32 4mm Aluminum half-out included for optimum hunting FOC 4MM Microlite nocks pre-installed Comes in dozen bare shafts, and ½ dozen fletched configurations (compatible with standard thread 8-32 broadheads and field points) Made in USA Straightness: +/- .003in