Easton Genesis Aluminum Arrows - 72 Pack - The only arrow approved by NASP Tournament Competition. Accurate, durable and economical. 7075 aerospace alloy Hard-anodized Straightness: .005in Weight tolerance: 2.5% Strength (psi): 90,000 UNI bushing, nock, and point -installed The ONLY arrow approved for all NASP tournaments and events Colors that are included in the pack are: Purple, Teal, Black, and Green. MADE IN USA