Enhance your archery setup with these precision-engineered arrow inserts designed for optimal performance. Available in multiple weight options of 125, 100, 50, and 25 grains, these versatile inserts are crafted from durable brass and aluminum materials. Compatible with arrow shafts having an inside diameter of .245" and outside diameter of .303" (7.7mm), these inserts provide a secure connection between your arrow shaft and points. The 12-pack set allows you to customize multiple arrows for both practice sessions and target shooting. Each insert measures 1.6 inches 2.3 inches 1.81 inches 2.12 inches in length , providing consistent weight distribution for improved arrow flight. The carefully engineered design ensures a snug fit and reliable performance, making these inserts an essential component for archers seeking precision and accuracy in their equipment.