Upgrade your rigging with our BLUESHARK Premium Low-Friction Rings, crafted from high-quality aluminum alloy 6061T6 and hard coat anodized for ultimate durability. This pack of rings, each measuring 21mm x 10mm, boasts a sleek design engineered to minimize friction and maximize efficiency. With a generous center hole of 21mm and a rope capacity of up to 10mm, these rings are perfect for a variety of applications. Elevate your setup with the smooth performance and reliability of BLUESHARK.