Viare 20 Inch Carbon Crossbow Arrow Bolt Fletched 4 Inch Vane with Field Point Pack of 6/12/24 20-inch arrows with strong, lightweight carbon shafts; improved wall thickness for added durability 13.78 grains per inch, matched with 125-grain Broadhead; optimal accuracy and target Removable Tips to attach broadheads Bolts come with standard 4" vanes, inserted moon nocks Usage : for archery crossbow hunting or practice