4 Pack Heavy Duty Swivel Caster Wheel Industrial Iron core Polyurethane PU Castors,Universal Replacement Wheel,for Carts,Furniture,Workbench,Trolley,Threaded Stem M12x30mm,Red (Universal 100mm/4in)

★Features: Double bearing design, with high mechanical strength, wear resistance and shock absorption. It can rotate 360 ??degrees, rotate flexibly, and run smoothly. The equipment can be easily transported to the desired location. Very suitable for quietly and safely transporting furniture and display stands. ★High quality: Heavy-duty industrial casters use cast iron wheel cores, wrapped with high-quality polyurethane, wear-resistant and quiet. Thickened galvanized bracket, smooth and beautiful surface, compressive and anti-falling, strong bearing capacity and durable. ★Floor protection: Polyurethane (PU) casters have the elasticity of rubber wheels and the toughness and durability of metal wheels. There is no noise when moving, don‘t worry about disturbing your family or other people. Suitable for all floor types. ★Widely used: can be used in industrial and residential applications, used in shopping carts, trolleys, office chairs, display/exhibition equipment, plant stands, workbenches, bookshelves, under-bed storage shelves, furniture replacement casters. ★Easy to install: The package contains 4 M12x30mm threaded rod casters. All you need to do is fix the socket in the furniture, then push the casters in and tighten! (Before purchasing, please check the installation size and capacity)