The Black Eagle .2445 Red G/MNock Bushing 15 is designed to provide superior strength and durability for your arrows. Made from high-quality 7075 T6 aluminum, this bushing is compatible with Carnivore, Outlaw, Zombie Slayer, and Vintage shafts with a spine rating of 300-400 and 30-50. Weighing 14 grains, it ensures consistent performance and accuracy, making it ideal for both target shooting and hunting. The bushing is easy to install and provides a secure fit, enhancing the overall stability and reliability of your arrows Black Eagle .2445 Red G/MNock Bushing 15