The BlackOut X1 Pro Carbon Arrow virtually eliminates variables in your arrow setup, with an incredibly precise straightness of .001 and an almost nonexistent weight tolerance of 0.5 gr. These premium arrows offer the tightest tolerances in the archery industry, and perform equally well during top-level 3-D and paper competition or high up in the treestand. 100% carbon construction gives long-term retention of initial quality, and the 2 Blazer vanes stabilize mechanical and fixed-blade broadheads alike. Ships with nocks installed and inserts included. Shipped full length (32). Per 6. Straightness factor: .001. Wt. tolerance: 0.5 gr. Blackout X1 Pro Carbon Arrows Draw Weight(lbs.) 26 27 28 29 30 31 50-55 - - 400