trolly wheel model:PR10"*3.50-4 size:PR10"*3.50-4 ... specialize in manufacturing a wide range of rubber wheel, such as pneumatic rubber wheel,solid rubber wheel,PU wheel,rim,castor,cover tyre,inner tube ... other rubber & plastic product.2,Feathers: We can manufacture rubber wheel of high quality,which are light,durable,flexible,high elastic and ... contact with us at any time.Welcome to visit trolly wheel