The HD Value 12" 5.2K Capacity Hub and Drum Assembly is constructed from high quality materials such as cast iron, steel or aluminum, this assembly is designed to provide superior durability and longevity. It also features protective coatings or finishes to prevent rust and corrosion. This assembly includes the wheel studs or bolts that connect the wheel to the axle and is available in standard sizes to ensure compatibility and ease of replacement. Regular maintenance and inspection are critical for safe operation and long lifespan. This assembly is designed to provide you with reliable performance. FleetPride is your First Click in Heavy Duty®.