These Bagged O-Rings are made from NBR (Nitrile Butadiene Rubber) with a 70 durometer rating, providing excellent sealing capabilities against oils and chemicals. Each pack contains 3 O-Rings, making them ideal for various applications in automotive, plumbing, and industrial settings. Engineered to meet industry standards, these O-Rings ensure a reliable seal that prevents leaks and enhances performance. Their flexibility and durability make them suitable for both static and dynamic applications, ensuring long-lasting reliability in demanding environments.