Easton Sonic 6.0 Shafts deliver speed, consistency, and ready-to-build convenience for archers who customize their arrows. This 12‑shaft pack uses a 340 spine and 6mm reduced‑diameter carbon construction to balance light weight with precise flex, making it a strong choice for mid-range draw weights and target shooting.

• Construction: 6mm reduced-diameter, 100% carbon-fiber shaft for light weight and robust strength
• Spine: 340 spine tuned for stable flight and predictable tune across shots
• Inserts: Includes 6mm ST Inserts (18 grains) for consistent front-of-arrow weight and tuning
• Nocks: Pre-installed 6mm nocks for fast, hassle-free assembly
• Fletching: Factory helical fletching with 2" Bully Vanes for reliable stabilization
• Straightness: ±0.003" tolerance to minimize flight variation
• Pack size: 12 shafts per dozen, ready for immediate building and customization
• Available sizes: 250, 300, 340, 400, 500, 600 to match draw length and performance goals

These shafts are ideal for competitive target shooting, 3D events, or enthusiasts who want a consistent, tuneable arrow from a trusted carbon platform. The combination of a lightweight 6mm design, precise straightness, and ready-to-use components reduces setup time while delivering dependable flight in varied light and wind. With the included inserts and ready-to-build hardware, you can fine-tune weight and balance to optimize speed, penetration, and accuracy for your bow and draw length.