The 6.5 shaft uses proprietary Acu-Carbon Uniform Spine process. Acu-Carbon is a continuous-fed, single-die manufacturing method that results in the most reliable tolerances and eliminates the need for the spine-alignment and weight sorting. Easton?s Acu-Carbon production line produces the most consistent spine and weight. Comes with pre-Installed Microlite nocks.

Features:400 spine, 8.4 gpi;O.D 0.294;.003? straightness tolerance