Horton's Carbon Strike MX Matched-Weight carbon 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 construction for maximum loop strength, superior component fit and consistent spine. Horton's Matched-Weight components optimize balance and accuracy. Available with feathers or vanes. Length: 20". Weight (with 100-grain point): Feathers: 468 grains, Vanes: 478 grains. Straightness Tolerance: ± .003 at 20" Field points not included.. Features 5" fletching and moon nocks.