Altra Glue In Point.166 100 gr. 350-400 Spine is a precision glue-in arrow point designed for archers who tune their shafts for optimal flight. This 12-pack provides spine-specific fitment and adjustable weight options to achieve consistent accuracy on both 250-300 and 350-400 spine arrows.

• Diameter and design:.166" glue-in point for secure seating in compatible arrow shafts.
• Spine compatibility: Available in two spine ranges—250-300 and 350-400—to match your arrow spine and maintain straight flight.
• Weight options: 80, 100, and 120 grains. This listing highlights the 100-grain variant, with other weights available in separate SKUs.
• Micro FMS insert compatibility: Accepts micro FMS insert weights for fine-tuning front-of-center balance without changing points.
• Package quantity: 12 points per pack for bulk use and convenient restocking.

This glue-in point offers secure retention and predictable performance, helping to minimize point wobble and improve consistency across shots. The combination of spine-specific sizing and interchangeable grain options lets you tailor balance and impact to your bow setup, shaft material, and shooting style. Whether you’re dialing in practice sessions or chasing tighter groups in the field, this point provides a reliable foundation for precise arrow performance.