Monkey King 30 Inch Fiberglass Archery Arrows with 3-Inch Vanes for Hunting Practice Size:8mm Diameter and 3 inch vanes High quality Fiberglass shaft for recurve, compound bow, or longbow hunting target practice Colored plastic fletches and nock,with 100 grain replaceable tips broadhead 30-inch arrows with strong, lightweight fiberglass shafts Extraordinary durability for extended use,for use with all youth archery bows