These plate casters are made from durable steel material and feature polyurethane molded wheels with a 2-inch width and 6-inch diameter. With a total load capacity of 4800 pounds, they are ideal for heavy-duty applications. The pack includes 2 swivel casters with brakes and 2 rigid casters, allowing for easy rotation and positioning. Roller bearings with hardened raceways provide extra strength, ensuring smoother movement and quieter operation. Easy to clean and maintain, these plate casters are perfect for enhancing mobility and convenience in various equipment applications.