Altra Centrum 204 Limited Arrows .003 250 6 pk. High-grade carbon shafts;Straightness spec: Up to 0.003 inches;NO SPINE Technology for improved tunability and consistency;State-of-the-art measuring equipment for straightness verification;Weight matched to +/- 1 grain;32" total length;Comes in 6 pk fletched (1 grey/2 white Altra branded Q2i RAPT-X vanes);A.R.C.O.S. Insert/Outsert System and nocks included;Premium components made from high-grade aluminum and stainless steel