These rings are designed with four Torx screws, providing maximum holding power and clamping pressure for reliable optic mounting. Made from lightweight aircraft-grade aluminum, they are hard anodized for enhanced durability, ensuring a lifetime of service. precision-machined from 6061-T6 aluminum, these rings feature a type III hard coat anodizing finish that offers exceptional resistance to wear and tear. This robust construction guarantees that the rings can withstand the rigors of the field while maintaining a secure fit for your optics. With their combination of lightweight design and superior strength, these rings instill confidence in your optic setup, making them an ideal choice for any shooting application. Experience the reliability and performance you can trust for all your optics mounting needs.