Product List Contains 4 furniture casters in total. The unique design makes our reels more beautiful and robust. Octagonal Design Our small heavy duty caster adopts an octagonal design and is equipped with large balls, which brings a higher load capacity and more flexibility. It can rotate 360, making it easier to move furniture. Powerful Loading Capacity Our heavy duty ball casters have a higher load capacity, 4 steel ball models can carry 100 kg. Due to their high load capacity, our furniture casters are suitable for most furniture. Size: 4.2 * 4.2 cm High Quality Material The outer frame of our heavy duty ball casters is made of high quality ABS material and the center ball is made of high quality nickel-plated steel. Not easy to wear and more durable, with stronger load capacity and quieter. Wide range of usesOur ball transfer casters have a wider range of applications. Whether you want to move a heavy sofa, cabinets or other furniture, these wheels make it easier for you. It can be widely used in kitchens, living rooms, bathrooms, bedrooms and other places.