Expect more with this of 12 - Pk. Carbon Express Maxima Hunter Shafts. More speed. More accuracy. More success! Step up to this Premium-grade Carbon Shaft. The Carbon Express Maxima is faster and offers tighter tolerances than traditional carbon arrows. Constructed using patented Dual Spine Weight Forward technology for fast recovery, guidance control and flight that"s flat and true. BuffTuff carbon weave construction for durability to last for many shots to come. BullDog nock collar for added strength. Straightness: + / - .0025". Weight tolerance: + / - 1.0 grains. Mossy Oak Treestand camo finish. Choose your size: 250 (8.0 gr / inch), 350 (8.9 gr / inch) and 450 (9.7 gr / inch). State Size. Order Today! WARNING: You must be 18 or older to purchase this product. This product cannot be shipped to D.C.; MA; Canada or Puerto Rico. Please check your State, County and City laws for restrictions before ordering this product. 12-Pk. Carbon Express Maxima Hunter Shafts