Huntingdoor 30" durable smooth carbon shaft ,good straightness.If you want use them for your recurve bow or longbow,you need adjust the orientation of the Nocks.
Fletched with 3" TPU vanes ,inserts glued with screw-on 100 grain field points ,ready to shoot .
Weight: 36g OD:7.9mm ID:6.2mm(0.246) Spine:550-600
Good performance and high speed ,don't shot at concrete wall or any hard substance.
Recommend for 35-60 pounds bows ,12Pcs one Pack