Aluminum Arrows Crossbow Arrows Hunting Survival Excellent for Hunting & Target Practice Interchangable Screw-In Arrows, for Easy Replacement of Broken Tips, Threaded Ends Finished with a Halfmoon Nock, Align with String Before Shooting Bolt Built with Tough Aluminum for Supreme Accuracy, Supports Crossbow Powers 100 LB to 250 POUND LB Draw Avoiding Shooting Crossbow Without Arrow, May Damage Crossbow due to Impact