Huntingdoor 30" Archery Carbon Target Arrows Hunting Arrows with Adjustable Nock and Replaceable Field Points for Compound Bow or Recurve Bow (12 pack) 12Pack of 31 inches arrows with strong, lightweight carbon shafts; improved wall thickness for added durability Colored plastic fletching vanes & nock Replaceable 100grain tips with standard thread Good performance,low hand shock with good speed For draw weight of 40-55 pounds compound bows