Features aggressive graphics with a lightweight carbon construction for increased speed. Straightness tolerance of +-.003 Inch, Weight tolerance of +-2 gr. Available in sizes 300 (8.8 GPI), 340 (8.2 GPI), 400 (7.4 GPI), 500 (6.3 GPI), and 600 (5.9 GPI). Includes nocks and inserts.