Product Features Built from high-grade carbon for exceptional accuracy and efficiency. Industry-leading straightness of .001 , verified by precision measurement tools. NO SPINE Technology for optimal tunability and consistent performance. Proprietary high modulus carbon construction for robust durability. Premium aluminum and stainless steel components ensure top-quality performance. Product Specifications Pack Options: 6 fletched shafts Weight Match: Each package is weight-matched to +/- 1 grain. Length: 32 total. Components Included: A.R.C.O.S. Insert/Outsert System and nocks. Spine: 250 GPI: 10.7