Engineered to meet stringent protection, loading and durability requirements both on-road and off-road, the Rock Rail sections are attached using high-strength steel brackets. A black-powder coating provides corrosion protection and seamlessly blends with the vehicle aesthetics. Rock Rails are designed to fit Jeep Grand Cherokee, two-row version.Rock Rails are constructed of Heavy Gauge Steel to take on the toughest trails. These Rock Rails are fully functional and provide rocker panel and lower body-side protection. Not compatible with Running Boards. Features a Textured Satin Black finish that meets Mopar corrosion standards.