GPP 30-Inch Fiberglass Targeting / Hunting Arrows with Screw-in Point for Recurve Bow,Long Bow & Compound bow High quality fiberglass standard target practice arrows for recurve bow, long bow & Compound bow. Colored plastic fletching & nock.rounded permanent nickel-plated stainless steel bullet tip perfect for target practice beginners & hunting Nocked, fletched, tipped and ready to shoot Diameter: 8.0mm For draw weight of 40-60 pounds bows The Nocks can be adjusted as your bow's request. Pls fixed it before your fist shooting.