The Kinetic XT features everything you have come to love about Gold Tip shafts; the durability, consistency, and accuracy. The overall performance of Gold Tip has been rolled into this hard hitting, small diameter hunting shaft. Featuring the popular .003in straightness specification and available in four spine sizes, the Kinetic XT is the perfect choice when looking for the increased penetration and knockdown power that a small diameter shaft provides. Straightness Tolerances of +/- 0.003 inches. Weight Tolerance of +/- 0.5 grains. Weight Gr/in : 7.6, Spine: 0.500in, Length:30in. O.D.: 0.258in, I.D.: 0.204in. 6 Pack with 2 inch Vanes.