Major advantages of upgrading to this product: (1) Made with a quality light weight high tensile strength aluminum 7075-T6 for greater durability. (2) Middle end stainless steel material, is a strong material with great durability and stability. It can also prevent rusting. (3) Adjustable design using clockwise and counterclockwise threads. (4) The design for steel pivot ball postion is same as original. It is arcuated" shape,the steel pivot ball will not fall off easily. Note: the data of this product is not the standard data when it leaves the factory, so it needs to be adjusted by the customer