Altra Centrum 25 Premier Shafts are premium carbon arrow shafts designed for serious target archers who want precise flight, tunable spine, and dependable consistency. This 12-pack of 32" shafts is available in spine 250 or 350 for precise customization when building your own arrows.

• Material: High-grade carbon construction for stiffness, weight retention, and straightness
• Straightness: Industry-leading.001" straightness verified with state-of-the-art measuring equipment
• Spine Options: Available in 250 and 350 spine to match draw length and bow setup
• Technology: NO SPINE Technology for improved tunability and consistency
• Length: 32" total length to fit standard archery setups and common components
• Weight Matching: Each shaft weight-matched to +/- 1 grain for uniform flight
• Pack Size: 12 shafts per pack; components not included
• Quality Verification: Produced with precision equipment and measurement for consistent quality

With these features, you can build arrows that fly true and group tightly, shot after shot. The ultra-straight.001" tolerance minimizes bend and wobble, while precise weight matching ensures each arrow behaves predictably in quick follow-up shots. The 32" length provides versatility across standard tips, inserts, and fletching configurations, making setup straightforward whether you’re tuning for competition or practice. NO SPINE Technology gives you the freedom to tune spine without sacrificing consistency, helping you adjust for draw length, bow weight, and arrow tuning. Ideal for archers who assemble their own setup, those who value repeatability, and anyone aiming to improve consistency across a dozen arrows.