Outfit your Ravin crossbow with these high strength 100% pure carbon match grade crossbow bolts. These bolts feature high impact Ravin engineered lighted nocks with aluminum nock bushings and brass threaded inserts. Match-Grade arrows compensate for the added weight of lighted nocks and weigh the exact same as Ravin non-lighted arrows for the same flight accuracy. These bolts are calibrated to wight 400 grains with the use of a 100 grain field tip or broadhead. Features100% pure carbon constructionStraightness tolerance: .003"High-impact brass threaded inserts and aluminum nock bushings2" high-profile offset vanes