Easton X10 Parallel Pro Arrows. The 4mm shaft offers legendary X10 precision and is constructed with high-strength carbon fiber bonded to a 7075 alloy core for unmatched durability and compliance with multi-use competition standards globally. The weight-coded shafts align perfectly with Easton's top-tier 4mm points nocks pins halfouts and collar systems ensuring consistent performance across all shooting events. These arrows come equipped with Easton's exclusive five-point straightness check delivering match-grade accuracy. With their fine-tuned tolerances that meet the tightest specifications for spine consistency and straightness the X10 4mm Parallel Pro arrows set the standard for competitive archery. Specifications for Easton X10 Parallel Pro Arrows: Manufacturer: Easton Color: Black Size: 250 Features of Easton X10 Parallel Pro Arrows: High-strength carbon fiber bonded to a 7075 alloy core Straightness tolerance of +/- .001? Weight tolerance of +/- 0.5 grains in precise weight codes Diameter: 4mm for easy tuning and enhanced accuracy Includes AAE Hybrid 26 vanes Ideal for all forms of archery: recurve compound target field barebow Meets global multi-use competition field compliance standards Pack of 6 arrows Package Contents: Easton X10 Parallel Pro Arrows