Ravin’s Match Grade 500 Grain HD .001 Lighted Arrows deliver high speed and accuracy. These premium bolts feature 100% pure carbon construction, and are equipped with Lumenok technology to help find your shots after being fired. Features:500 grain (with 100 grain field tip- not included)100% pure carbon constructionStraightness tolerance: .001”High-impact brass threaded inserts2” offset vanesHigh-impact aluminum nock bushingsLumenok™ TechnologyNote: For use with Ravin Crossbows only Ravin Premium Lighted Arrows 500gr HD .001 3PK R144