Tri-Spine/RED ZONE Technology - A patented three-spine shaft, featuring less than one-third the flex of a single-spine arrow, and four times the accuracy. BuffTuff Plus Technology - A patented outer layer in the front third, made entirely of high-modulus carbon fiber, for superior strength and spine consistency. BuffTuff Technology - A patented outer layer in the middle third, providing the world's strongest and quietest carbon arrow finishing surface, as well as easy removal from the target. Diamond Weave Technology - A patented outer layer in the rear third, providing superior stiffness and unmatched spine technology. BullDog Nock Collars - An exclusive feature made from aircraft-grade aluminum, designed to prevent shaft damage upon impact. Laser Match Set - Arrow sets are sorted and matched to spine and weight for best-in-class consistency. Shaft stiffness sorting tolerance ± 0.0025 inches, and shaft weight sorting tolerance ± 1.0 grain. Straightness to within ± 0.002 inches - Arrow straightness is laser inspected to an incredible accuracy of 1/10000 of an inch, where our straightness standards are set to a maximum, not an average like the competition. Launchpad Precision Nocks - Precise arrow launch control and integrated spine alignment for consistent accuracy. Q2i Rapt-X 2-inch Vanes - 6-vane packs, either 1 white and 2 red vanes, or 1 yellow and 2 red vanes. Color cannot be chosen on online orders.