Offers outstanding strength, durability, and performance. Features 360 degree spine consistency and delivers hard hitting penetration with minimal wind drift. Micro diamter shaft uses the Predator XSD in-out insert that will fit all standard screw-in field points and broadheads. Straightness tolerance: +-.006", Weight tolerance: +-3 gr. Available in sizes 500 (9.0 GPI), 400 (10.0 GPI), 350 (10.9 GPI), 300 (12.2 GPI). Fletched with 2" vanes. Includes XSD in-out inserts and nocks.