The product is a lot of 10 RT Dygert 1KPL4 443N70 Buna-N O-Rings. These o-rings are designed for use in mechanical power transmission and industrial automation systems, specifically in the area of seals and gaskets. The Buna-N material ensures durability and reliability in various industrial applications. Perfect for businesses and industries that require high-quality sealing solutions, these o-rings from Dygert are a valuable component for machinery and equipment.