Lightweight target arrow designed for accuracy and performance. Made with Diamond Weave carbon material that isolates the arrow's flex to the middle of the shaft in the Red Zone. Straightness tolerance of +-.0025"and weight tolerance of +-1 gr. Available in sizes 150 (.502"spine, 6.59 GPI), 250 (.413"spine, 7.45 GPI), and 350 (.346‚Äù, 8.45 GPI). Includes BullDog nock collars, Launchpad nocks, and inserts.