The G5 Outdoors Stax Series Premium Hunting Arrow offers archers an affordable arrow without sacrificing quality and precision. Stax premium arrows are constructed of a two-layer 100 percent high-modulus carbon, and every arrow is inspected to .001-inch straightness tolerance and .02 GPI weight tolerance and engineered to withstand the hardest impacts. G5 Stax Series arrows are built on 250 (.203-inch inside diameter only), 300, 350 or 400 spines and feature American-made precision matched components, including Bohning vanes and nocks.