Easton 5mm FMJ Legend Limited Edition 400 spine Carbon Arrows - 6 pack - The New Limited Edition FMJ Legend Micro diameter 5MM Full Metal Jacket arrows offer maximum penetration. A 7075 aerospace aluminum over high-strength carbon adds kinetic energy and precision to improve penetration and broadhead accuracy. The aluminum jacket makes pulling shafts from targets easier than carbon-surfaced arrows. Lower friction and aluminum/carbon composition combine for pass-through impacts and easier to follow blood trails on tough big game. 5MM (X) micro diameter thick-wall carbon-fiber core with 7075 aluminum metal jacket Higher kinetic energy, deeper penetration, and more durability NEW FMJ Legend Logo Factory straight, weight and spine matched 0.002 Nocks and HIT inserts included