Easton Carbon One Shafts have lightweight, durable construction for ultimate performance. It"s the first target-style Arrow with lightweight, nano-fused construction! Features carbon nanotubes for increased strength for resilience as you hone your aim, stroke after stroke. Has reduced vibration and a small diameter too, to eliminate wind drift for dead-center accuracy. Microsmooth finish. Has +/- .003" straightness and weight tolerance of +/- 1 grain too. Choose your size... 600 (6.9 grain / inch), 660 (6.6 grain / inch), 730 (6.0 grain / inch), 810 (5.8 grain / inch), 900 (5.3 grain / inch), 1000 (5.0 grain / inch) or 1150 (5.0 grain / inch). WARNING: You must be 18 or older to purchase this product. This product cannot be shipped to D.C.; MA or Puerto Rico. This product cannot be shipped Parcel Post. Please check your State, County and City laws for restrictions before ordering this product. State Size. Order yours right now! Easton Carbon One Shafts