Easton 4mm Full Metal Jacket Shafts 400 1 Doz.

FMJ starts with an advanced carbon core foundation for lightweight strength.? A full metal jacket adds kinetic energy, enhances accuracy, and pulls easier from targets.

Features:4mm Micro- Diameter carbon core with 7075 alloy jacket;Straightness +/- .003?;Made in the USA;Available in sizes: 250, 300, 340, 400