The Easton X Nocks are precision molded for a secure fit on your carbon arrows or aluminum shafts. These Easton Archery 3D Super Nocks are designed to provide a consistent and reliable performance. They feature a press-fit indexable design that fits most standard-diameter arrows. With their white color, they can be easily spotted in the field. The Easton X Nocks are an affordable option for archers looking to upgrade their equipment. Plus, with fast shipping, you can get your new nocks quickly and start practicing your aim.Product Features and Specifications: Press-fit indexable design: Fits most standard-diameter carbon arrows and aluminum shafts with Super UNI Bushings: White Precision Molded: