Easton - SHAFT - AXIS - 4MM PRO - 300 - 12PK Micro-Diameter, 100% carbon 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 Includes NEW aluminum point outserts; 4MM 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: +/- .003″ [Match Grade: +/- .001″]