The product is a set of 10 NOS Delco Remy 1857963 Generator 3 Brush Sets for various Chevy, Buick, Olds, and Cadillac vehicles. These vintage parts are essential for maintaining and repairing older vehicles that require specific brush sets. The Delco Remy brand is known for its quality and durability, making these brush sets a reliable choice for restoring or upgrading your classic car's generator.