Constructed from high-strength 303 stainless steel, this resilient arrow insert is designed to fit shaft sizes 400/500 and Camo 500, ensuring reliable performance for archers of any skill level. Precision-engineered to accommodate an inner diameter of .204 inches and an outer diameter of 5/16 inches, this insert promises a secure and stable attachment, enhancing your arrow's accuracy and durability. Perfect for those who demand the best in their archery equipment, this set comes with a dozen inserts, providing excellent value and superior strength for your hunting or target shooting needs. Whether you're a seasoned archer or a beginner, these inserts are a reliable choice to ensure a consistent and powerful shot every time.