The Altra 25 Nock Bushings are meticulously designed for use with all Altra 25 Arrows and Altra Standard Nocks, ensuring the pinnacle of precision and performance. Crafted from durable 7075-T6 aluminum, these nock bushings provide a secure and precise fit. Each bushing weighs 17.5 grains, contributing to optimal arrow balance and accuracy. These bushings are perfect for archers looking to enhance their arrow setup with reliable and consistent components.