Easton Inserts CB Inserts are designed for use with S Diameter arrows and Beman ICS Carbon Arrows. These inserts are made with a unique design that adds strength and improves the arrow's forward of center (FOC) balance. The 6.5MM inserts are ideal for archers looking to upgrade their equipment without breaking the bank. This affordable option is perfect for those on a budget or looking for a reliable replacement. With fast shipping, you can get your new Easton Inserts CB Inserts quickly and start shooting with confidence. The inserts are available in a 12-pack, making them a great value for archers who need replacements.Product Features and Specifications: Insert Diameter: 6.5MM Shoulder Design: 4x-larger shoulder for added strength