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Medium u0026 Heavy Duty Leveling Casters Retractable Leveling Machine Caster Wheels

Durable & StrongWBD heavy-duty leveling casters are made of carbon steel stamping top plate, aluminum body, nylon wheels, retractable non-slip rubber pads, high-quality materials and exquisite production technology to bring the overall load capacity of the casters up to 3300 pounds (a set of 4), very strong and durable.