Nano-Pro™ is designed specifically for FITA, NAA and NFAA long-distance field shooting. Engineered with incredibly light yet strong 46-ton carbon, the Nano-Pro™ recovers even faster out of the bow than the Nano-XR™ while delivering the flattest trajectory and superior down range accuracy. It has the smallest diameter of any of our target arrows, which means it nearly eliminates cross-wind drift. And unlike aluminum core arrows, the Nano-Pro™ won't take a set (permanent) bend.