High Quality Materials: This set of 5 transfer bearing balls is made of high quality nickel plating steel with zinc plating surface treatment, which makes it corrosion and rust resistant for provide you with maximum durability. Intensity Reduction: This set of 5 transfer bearing balls can greatly reduce the labor intensity of workers. And it can set arbitrary distribution density according to different load requirements. Horizontal Transport: This set of 5 transfer bearing balls can be used for transport, especially suitable for parties rotating or diverging from the transport system. And it can make objects move easily in a horizontal direction. Scope of Application: This set of 5 transfer bearing balls is suitable for electronics, hardware, mechanics, chemistry , food, forests, mines, books, supermarkets, rubber, etc. And it is widely used in transmission system, processing system, processing machinery and packaging machinery auxiliary equipment.