The Altra 25 Pin Bushings are meticulously designed to enhance the performance of all Altra 25 Arrows. Crafted from durable 7075-T6 aluminum, these nock bushings are intended for use with Altra Pin Nocks, providing a secure and precise fit. Each bushing weighs 16.5 grains, ensuring optimal balance and accuracy for your arrows. Elevate your archery setup with these high-quality pin bushings from Altra Arrows.