Horton's Carbon Strike MX matched-weight wrapped carbon crossbow arrows are stronger and more accurate than any other brand on the market. Featuring 120-gram tri-wrapped unidirectional carbon fibers, and 120-degree seam manufacturing process for maximum hoop strength, superior component fit and consistent spine. Horton's Matched-Weight components optimize balance and accuracy. Available with vanes. Available in 3, 6 and 72-packs. Length: 20". Weight (with 100-grain point): Vanes: 442 grains. Straightness Tolerance: .003 at 20".