Quality Work: The steel plate construction is sturdy, and the solid 50mm wide nylon wheels are suitable for acidic and alkaline environment, the caster wheels heavy duty are secure after installation, quiet & smooth operation, have shock and vibration absorption. Flexibility & Safety: Double ball bearings allow the industrial casters wheels to rotate 360 degrees easily, help you move the loading in any direction easily. All 4 has equipped with brake, wheels will be locked when the brakes are pressed down to ensure locking. Wide Application: Due to high load capacity, the caster wheels heavy duty with brake can adapt to all scenarios, from your wardrobe to your workbench, from the yard to the workshop, it can meet all your load-bearing needs, choose larger load-bearing, you can be more assured when using.