[High quality] Robust wheels The wheels swivel 360 degrees. Smooth and silent and robust. When the brakes are applied, the fixing plate and the wheels are locked simultaneously. [Flexibility and safety] The pivoting polyurethane (PU) wheels offer the elasticity of the rubber wheels combined with the robustness and durability of the metal wheels. Sure for all soil types. The trolley wheels for intensive use have a loading capacity of 420 kg. [firm support] Each roulette has a large upper steel plate of 70 x 50 mm which gives a wider distribution area of the load and force to better support the article. Rolling roulette or to rotate if necessary. [Multiple uses] These cart wheels are ideal for a wide variety of uses for industrial applications. Mobile casters can be used at home, in schools, in garages, shops, carts and Hospitals, perfect rollers for furniture and other small mobile furniture, including poufs, low tables, plant supports, shelves, shoe tanks, toy bins, caddies, established. [Easy installation] Our casters can be easily installed with pre-drilled holes and the hardware store included. The casters resist fat, oil, cutting, bursting and other abrasive wear and tear as well as rust For sustainable use.