"Offering extreme knockdown power and increased kinetic energy, Ravin XK5 Lighted Arrows offer ideal performance for big game hunting with your high performance Ravin crossbow. 100% pure carbon arrows feature a premier straightness tolerance of .001"" and 400-grain weight (500-grain with 100-grain point or broadhead) for premium flight and energy. Utilizing Lumenok technology, the lighted, Ravin-specific, clip-on polymer nocks make it easier to see the path of your arrow and retrieve it after the shot. 20"" arrows come with high-impact, threaded brass inserts, and aluminum nock bushings. Fletched with 2"" offset vanes. 3 pack of premium lighted crossbow arrows for use with Ravin crossbow 100% pure carbon construction Premier straightness tolerance of .001"" 400-grain weight for excellent kinetic energy High-impact, threaded brass inserts Aluminum nock bushings Lighted, Ravin-specific, polymer clip-on nocks with Lumenok technology Fletched with 2"" offset vanes"