This product is a set of 4 OEM wheel center cap hubcaps for 1999-2002 GMC Sierra, Yukon, and Safari vehicles. The hubcaps are machined aluminum and plastic, with a GMC emblem. They are designed for easy installation and are car wash safe. These genuine OEM parts are made in the United States and come with a stock number of #SO4-9902. The hubcaps are suitable for placement on the front, rear, left, and right sides of the vehicle, providing a sleek and authentic appearance for your GMC vehicle.