Black Eagle Talon Crested Arrows .003 500 6 pk. Spine: 500;Inner Diameter: .2445";Outer Diameter: .286";GPI (Grains Per Inch): 6.8;.003" Straightness or Straighter;+/- 1 Grain Weight Tolerance;32" Shaft Length;High-quality carbon fiber material;Yellow cresting for increased visibility;Pack of 6;Includes standard nock, inserts, and Rapt-X vanes