1. Polyurethane (PU) swivel wheels provide the elasticity of rubber wheels combined with the toughness and durability of metal wheels. Safe for all types of soil - Heavy duty trolley wheels have a capacity loading 200 kg - (50 kg per wheel) 2. Heavy-duty casters swivel 360 degrees. Smooth and quiet and sturdy. When the brakes are applied, the mounting plate and the wheels are locked simultaneously. 3. 4 x pivot with brake. Ball bearing and double locking provide maximum loading capacity and safety. 4. Wheels are ideal for a wide variety of DIY uses to industrial applications at home, schools, garage, stores, carts and hospitals, perfect casters for small equipment, furniture, ottoman, table bass, plant stands, shelves, caddies, workbench. 5. The products are all taken in kind. Due to ambient light / display resolution and other reasons, there may be some color difference between the picture and the actual object. Please refer to the actual color. Size: 2inch nbsp; | nbsp; Color: 4without Brake Name: Heavy-duty casters. High quality materials and total durability Simple installation and easy maneuvering. Perfect for moving small equipment and small space furniture, including coffee table, plant stands, shelves, shoe bins, toy bins, shopping carts and workbenches. Ideal for a wide variety of uses ranging from DIY to industrial applications in homes, schools, stores and hospitals, etc. Features: - Robust steel plate. nbsp; - Double ball bearing swivel head. - Wheel type: black polyurethane, roller bearing. - Load capacity: 200 kg (50 kg each). Package contents: - 4 x wheels. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!