High-strength C2 carbon composite fibers. Unidirectional carbon fiber core for precise broadhead and nock alignment. High-strength composite fiber for exceptional durability and hoop strength. Longitudinal carbon fiber durability layer. PhotoFushion graphics. Infinity Performance System. Mossy Oak Break Up. Straightness: +/-.003''. Weight tolerance: +/-2.0 grains. Direct-fit Super Nock installed. CM Inserts included. 12/pack.