Huntingdoor Archery 31" Carbon Arrows 350 Spine for Recurve or Compound Bow Hunting Target Arrows with Colored Fletchings Screw In Tips for Practice Shooting Pack of 12 Huntingdoor 31 Inch Carbon Arrows 350 Spine for Compound Bow or Recurve Bow Fletched with 3" parabolic colorful vanes, Straightness:+/- 0.005", Diameter,6.2mm Aluminum insert installed with 100 grain screw-in field points, adjustable nocks Covered a layer of glossy paint,reduce air resistance in flight. The colorful arrows fit for 35-65lbs draw weight bow. Note: Random Color Delivery.