The product is a set of three O-rings with a 6" inside diameter, 6-3/16" outside diameter, and 3/32" thickness, made of Buna 70 rubber. Manufactured by McMaster, these O-rings are designed for mechanical power transmission and industrial automation & motion controls. The high-quality material ensures durability and reliability in various applications, providing a secure seal to prevent leaks and ensure smooth operation of machinery and equipment.